25252525252524 has 12 divisors (see below), whose sum is σ = 58922558922584. Its totient is φ = 8417508417504.

The previous prime is 25252525252499. The next prime is 25252525252561. The reversal of 25252525252524 is 42525252525252.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052188552177 + ... + 1052188552200.

Almost surely, 2^{25252525252524} is an apocalyptic number.

It is an amenable number.

25252525252524 is an abundant number, since it is smaller than the sum of its proper divisors (33670033670060).

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

25252525252524 is a wasteful number, since it uses less digits than its factorization.

25252525252524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104377104384 (or 2104377104382 counting only the distinct ones).

The product of its digits is 8000000, while the sum is 48.

Adding to 25252525252524 its reverse (42525252525252), we get a palindrome (67777777777776).

The spelling of 25252525252524 in words is "twenty-five trillion, two hundred fifty-two billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred twenty-four".