25371525 has 12 divisors (see below), whose sum is σ = 41947712. Its totient is φ = 13531440.

The previous prime is 25371509. The next prime is 25371527. The reversal of 25371525 is 52517352.

It is not a de Polignac number, because 25371525 - 2⁴ = 25371509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25371492 and 25371501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25371527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169069 + ... + 169218.

Almost surely, 2^25371525 is an apocalyptic number.

25371525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25371525 is a deficient number, since it is larger than the sum of its proper divisors (16576187).

25371525 is a wasteful number, since it uses less digits than its factorization.

25371525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338300 (or 338295 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 25371525 is about 5037.0154853842. The cubic root of 25371525 is about 293.8431182076.

Adding to 25371525 its reverse (52517352), we get a palindrome (77888877).

The spelling of 25371525 in words is "twenty-five million, three hundred seventy-one thousand, five hundred twenty-five".