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525252525253 is a prime number
BaseRepresentation
bin1111010010010110111…
…11010111110011000101
31212012202202021220120121
413221023133113303011
532101204121302003
61041144144301541
752643150541061
oct7511337276305
91765682256517
10525252525253
111928383a2485
128596a0118b1
133a6b9a9c201
141b5cad42aa1
15d9e2a87cbd
hex7a4b7d7cc5

525252525253 has 2 divisors, whose sum is σ = 525252525254. Its totient is φ = 525252525252.

The previous prime is 525252525209. The next prime is 525252525277. The reversal of 525252525253 is 352525252525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499632681409 + 25619843844 = 706847^2 + 160062^2 .

It is a cyclic number.

It is not a de Polignac number, because 525252525253 - 237 = 387813571781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525252523253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262626262626 + 262626262627.

It is an arithmetic number, because the mean of its divisors is an integer number (262626262627).

Almost surely, 2525252525253 is an apocalyptic number.

It is an amenable number.

525252525253 is a deficient number, since it is larger than the sum of its proper divisors (1).

525252525253 is an equidigital number, since it uses as much as digits as its factorization.

525252525253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500000, while the sum is 43.

Adding to 525252525253 its reverse (352525252525), we get a palindrome (877777777778).

The spelling of 525252525253 in words is "five hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred fifty-three".