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5257557525 = 3521110163097
BaseRepresentation
bin1001110010101111…
…11111011000010101
3111120102000121001210
410321113333120111
541231413320100
62225411412033
7244200334023
oct47127773025
914512017053
105257557525
112258832870
1210288b4019
1365a3191ac
1437c387713
1520b87ec50
hex1395ff615

5257557525 has 48 divisors (see below), whose sum is σ = 9576762048. Its totient is φ = 2523840000.

The previous prime is 5257557491. The next prime is 5257557527.

5257557525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5257557525 - 27 = 5257557397 is a prime.

It is a super-2 number, since 2×52575575252 = 55283822257368251250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257557527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51777 + ... + 114873.

It is an arithmetic number, because the mean of its divisors is an integer number (199515876).

Almost surely, 25257557525 is an apocalyptic number.

5257557525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5257557525 is a deficient number, since it is larger than the sum of its proper divisors (4319204523).

5257557525 is a wasteful number, since it uses less digits than its factorization.

5257557525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63222 (or 63217 counting only the distinct ones).

The product of its digits is 3062500, while the sum is 48.

The square root of 5257557525 is about 72509.0168530783. The cubic root of 5257557525 is about 1738.8468958652.

The spelling of 5257557525 in words is "five billion, two hundred fifty-seven million, five hundred fifty-seven thousand, five hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 101 165 275 303 505 825 1111 1515 2525 3333 5555 7575 16665 27775 63097 83325 189291 315485 694067 946455 1577425 2082201 3470335 4732275 6372797 10411005 17351675 19118391 31863985 52055025 70100767 95591955 159319925 210302301 350503835 477959775 1051511505 1752519175 5257557525