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5257505533 = 7751072219
BaseRepresentation
bin1001110010101111…
…10010101011111101
3111120101220221202011
410321113302223331
541231410134113
62225410331221
7244200026320
oct47127625375
914511827664
105257505533
1122587a77a5
121028889b11
1365a2cb627
1437c3727b7
1520b86e63d
hex1395f2afd

5257505533 has 4 divisors (see below), whose sum is σ = 6008577760. Its totient is φ = 4506433308.

The previous prime is 5257505503. The next prime is 5257505551. The reversal of 5257505533 is 3355057525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5257505533 - 221 = 5255408381 is a prime.

It is a super-2 number, since 2×52575055332 = 55282728859051228178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257505503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375536103 + ... + 375536116.

It is an arithmetic number, because the mean of its divisors is an integer number (1502144440).

Almost surely, 25257505533 is an apocalyptic number.

It is an amenable number.

5257505533 is a deficient number, since it is larger than the sum of its proper divisors (751072227).

5257505533 is an equidigital number, since it uses as much as digits as its factorization.

5257505533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751072226.

The product of its (nonzero) digits is 393750, while the sum is 40.

The square root of 5257505533 is about 72508.6583312641. The cubic root of 5257505533 is about 1738.8411640258.

The spelling of 5257505533 in words is "five billion, two hundred fifty-seven million, five hundred five thousand, five hundred thirty-three".

Divisors: 1 7 751072219 5257505533