25252527777525 has 48 divisors (see below), whose sum is σ = 46392239099520. Its totient is φ = 13467315052800.

The previous prime is 25252527777509. The next prime is 25252527777559. The reversal of 25252527777525 is 52577772525252.

25252527777525 is a `hidden beast` number, since 2 + 5 + 2 + 52 + 52 + 7 + 7 + 7 + 7 + 525 = 666.

It is not a de Polignac number, because 25252527777525 - 2⁴ = 25252527777509 is a prime.

It is a congruent number.

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, 12160504 + ... + 14084846.

It is an arithmetic number, because the mean of its divisors is an integer number (966504981240).

Almost surely, 2^{25252527777525} is an apocalyptic number.

25252527777525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25252527777525 is a deficient number, since it is larger than the sum of its proper divisors (21139711321995).

25252527777525 is a wasteful number, since it uses less digits than its factorization.

25252527777525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943803 (or 1943792 counting only the distinct ones).

The product of its digits is 240100000, while the sum is 63.

The spelling of 25252527777525 in words is "twenty-five trillion, two hundred fifty-two billion, five hundred twenty-seven million, seven hundred seventy-seven thousand, five hundred twenty-five".