252563579 has 2 divisors, whose sum is σ = 252563580. Its totient is φ = 252563578.

The previous prime is 252563569. The next prime is 252563587. The reversal of 252563579 is 975365252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252563579 - 2⁸ = 252563323 is a prime.

It is a super-2 number, since 2×252563579² = 127576722874578482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252563539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126281789 + 126281790.

It is an arithmetic number, because the mean of its divisors is an integer number (126281790).

Almost surely, 2^252563579 is an apocalyptic number.

252563579 is a deficient number, since it is larger than the sum of its proper divisors (1).

252563579 is an equidigital number, since it uses as much as digits as its factorization.

252563579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567000, while the sum is 44.

The square root of 252563579 is about 15892.2490227154. The cubic root of 252563579 is about 632.1064779139.

The spelling of 252563579 in words is "two hundred fifty-two million, five hundred sixty-three thousand, five hundred seventy-nine".