25275251276525 has 24 divisors (see below), whose sum is σ = 32991653339520. Its totient is φ = 19155515955840.

The previous prime is 25275251276491. The next prime is 25275251276537. The reversal of 25275251276525 is 52567215257252.

It is a happy number.

It is not a de Polignac number, because 25275251276525 - 2²² = 25275247082221 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19660889 + ... + 20906961.

It is an arithmetic number, because the mean of its divisors is an integer number (1374652222480).

Almost surely, 2^{25275251276525} is an apocalyptic number.

25275251276525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25275251276525 is a deficient number, since it is larger than the sum of its proper divisors (7716402062995).

25275251276525 is a wasteful number, since it uses less digits than its factorization.

25275251276525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288805 (or 1288800 counting only the distinct ones).

The product of its digits is 29400000, while the sum is 56.

The spelling of 25275251276525 in words is "twenty-five trillion, two hundred seventy-five billion, two hundred fifty-one million, two hundred seventy-six thousand, five hundred twenty-five".