2525251287525 has 24 divisors (see below), whose sum is σ = 4180387286304. Its totient is φ = 1345089345600.

The previous prime is 2525251287499. The next prime is 2525251287527. The reversal of 2525251287525 is 5257821525252.

It is not a de Polignac number, because 2525251287525 - 2³¹ = 2523103803877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525251287527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21332346 + ... + 21450395.

It is an arithmetic number, because the mean of its divisors is an integer number (174182803596).

Almost surely, 2^{2525251287525} is an apocalyptic number.

2525251287525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2525251287525 is a deficient number, since it is larger than the sum of its proper divisors (1655135998779).

2525251287525 is a wasteful number, since it uses less digits than its factorization.

2525251287525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42783541 (or 42783536 counting only the distinct ones).

The product of its digits is 5600000, while the sum is 51.

The spelling of 2525251287525 in words is "two trillion, five hundred twenty-five billion, two hundred fifty-one million, two hundred eighty-seven thousand, five hundred twenty-five".