25225428 has 24 divisors (see below), whose sum is σ = 58972032. Its totient is φ = 8392384.

The previous prime is 25225397. The next prime is 25225441. The reversal of 25225428 is 82452252.

It is a junction number, because it is equal to n+sod(n) for n = 25225395 and 25225404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5701 + ... + 9107.

It is an arithmetic number, because the mean of its divisors is an integer number (2457168).

Almost surely, 2^25225428 is an apocalyptic number.

It is an amenable number.

25225428 is an abundant number, since it is smaller than the sum of its proper divisors (33746604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25225428 is a wasteful number, since it uses less digits than its factorization.

25225428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031 (or 4029 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 25225428 is about 5022.4922100487. The cubic root of 25225428 is about 293.2780192992.

The spelling of 25225428 in words is "twenty-five million, two hundred twenty-five thousand, four hundred twenty-eight".