30557825025 has 48 divisors (see below), whose sum is σ = 62181270144. Its totient is φ = 12894727680.

The previous prime is 30557825009. The next prime is 30557825033. The reversal of 30557825025 is 52052875503.

It is a happy number.

It is not a de Polignac number, because 30557825025 - 2⁴ = 30557825009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2231844 + ... + 2245493.

It is an arithmetic number, because the mean of its divisors is an integer number (1295443128).

Almost surely, 2^30557825025 is an apocalyptic number.

30557825025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30557825025 is an abundant number, since it is smaller than the sum of its proper divisors (31623445119).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30557825025 is a wasteful number, since it uses less digits than its factorization.

30557825025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477370 (or 4477365 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 30557825025 in words is "thirty billion, five hundred fifty-seven million, eight hundred twenty-five thousand, twenty-five".