25253524 has 12 divisors (see below), whose sum is σ = 44230900. Its totient is φ = 12616128.

The previous prime is 25253509. The next prime is 25253537. The reversal of 25253524 is 42535252.

It can be written as a sum of positive squares in 2 ways, for example, as 13557124 + 11696400 = 3682^2 + 3420^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25253492 and 25253501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5392 + ... + 8920.

Almost surely, 2^25253524 is an apocalyptic number.

It is an amenable number.

25253524 is a deficient number, since it is larger than the sum of its proper divisors (18977376).

25253524 is a wasteful number, since it uses less digits than its factorization.

25253524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322 (or 5320 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 25253524 is about 5025.2884494325. The cubic root of 25253524 is about 293.3868629353.

Adding to 25253524 its reverse (42535252), we get a palindrome (67788776).

The spelling of 25253524 in words is "twenty-five million, two hundred fifty-three thousand, five hundred twenty-four".