252858506025 has 24 divisors (see below), whose sum is σ = 418861878624. Its totient is φ = 134599004800.

The previous prime is 252858506003. The next prime is 252858506063. The reversal of 252858506025 is 520605858252.

It is not a de Polignac number, because 252858506025 - 2⁸ = 252858505769 is a prime.

It is a super-2 number, since 2×252858506025² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3196479 + ... + 3274628.

It is an arithmetic number, because the mean of its divisors is an integer number (17452578276).

Almost surely, 2^252858506025 is an apocalyptic number.

252858506025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252858506025 is a deficient number, since it is larger than the sum of its proper divisors (166003372599).

252858506025 is a wasteful number, since it uses less digits than its factorization.

252858506025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471641 (or 6471636 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 48.

The spelling of 252858506025 in words is "two hundred fifty-two billion, eight hundred fifty-eight million, five hundred six thousand, twenty-five".