25352031025 has 12 divisors (see below), whose sum is σ = 31450455792. Its totient is φ = 20272633040.

The previous prime is 25352031017. The next prime is 25352031049. The reversal of 25352031025 is 52013025352.

It is not a de Polignac number, because 25352031025 - 2³ = 25352031017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25352030984 and 25352031002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166987 + ... + 280336.

It is an arithmetic number, because the mean of its divisors is an integer number (2620871316).

Almost surely, 2^25352031025 is an apocalyptic number.

25352031025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25352031025 is a deficient number, since it is larger than the sum of its proper divisors (6098424767).

25352031025 is a wasteful number, since it uses less digits than its factorization.

25352031025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449600 (or 449595 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 25352031025 its reverse (52013025352), we get a palindrome (77365056377).

The spelling of 25352031025 in words is "twenty-five billion, three hundred fifty-two million, thirty-one thousand, twenty-five".