25000252505525 has 48 divisors (see below), whose sum is σ = 34975258583040. Its totient is φ = 17569894929600.

The previous prime is 25000252505519. The next prime is 25000252505551. The reversal of 25000252505525 is 52550525200052.

It is not a de Polignac number, because 25000252505525 - 2²² = 25000248311221 is a prime.

It is a super-3 number, since 3×25000252505525³ (a number of 41 digits) contains 333 as substring.

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, 11221049 + ... + 13263198.

It is an arithmetic number, because the mean of its divisors is an integer number (728651220480).

Almost surely, 2^{25000252505525} is an apocalyptic number.

25000252505525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25000252505525 is a deficient number, since it is larger than the sum of its proper divisors (9975006077515).

25000252505525 is a wasteful number, since it uses less digits than its factorization.

25000252505525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24484394 (or 24484389 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 38.

Adding to 25000252505525 its reverse (52550525200052), we get a palindrome (77550777705577).

The spelling of 25000252505525 in words is "twenty-five trillion, two hundred fifty-two million, five hundred five thousand, five hundred twenty-five".