25230425525 has 24 divisors (see below), whose sum is σ = 31746480000. Its totient is φ = 19888128000.

The previous prime is 25230425477. The next prime is 25230425531. The reversal of 25230425525 is 52552403252.

It is not a de Polignac number, because 25230425525 - 2¹⁶ = 25230359989 is a prime.

It is a congruent number.

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, 972725 + ... + 998325.

It is an arithmetic number, because the mean of its divisors is an integer number (1322770000).

Almost surely, 2^25230425525 is an apocalyptic number.

25230425525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25230425525 is a deficient number, since it is larger than the sum of its proper divisors (6516054475).

25230425525 is a wasteful number, since it uses less digits than its factorization.

25230425525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26189 (or 26184 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

Adding to 25230425525 its reverse (52552403252), we get a palindrome (77782828777).

The spelling of 25230425525 in words is "twenty-five billion, two hundred thirty million, four hundred twenty-five thousand, five hundred twenty-five".