25135028 has 12 divisors (see below), whose sum is σ = 44440452. Its totient is φ = 12437760.

The previous prime is 25134943. The next prime is 25135031. The reversal of 25135028 is 82053152.

It can be written as a sum of positive squares in 2 ways, for example, as 10679824 + 14455204 = 3268^2 + 3802^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25134988 and 25135006.

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, 32003 + ... + 32778.

It is an arithmetic number, because the mean of its divisors is an integer number (3703371).

Almost surely, 2^25135028 is an apocalyptic number.

It is an amenable number.

25135028 is a deficient number, since it is larger than the sum of its proper divisors (19305424).

25135028 is a wasteful number, since it uses less digits than its factorization.

25135028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64882 (or 64880 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 25135028 is about 5013.4846165118. The cubic root of 25135028 is about 292.9272612364.

The spelling of 25135028 in words is "twenty-five million, one hundred thirty-five thousand, twenty-eight".