25427628 has 24 divisors (see below), whose sum is σ = 65923760. Its totient is φ = 8475840.

The previous prime is 25427617. The next prime is 25427641. The reversal of 25427628 is 82672452.

25427628 is a `hidden beast` number, since 2 + 5 + 4 + 27 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25427592 and 25427601.

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, 117613 + ... + 117828.

Almost surely, 2^25427628 is an apocalyptic number.

It is an amenable number.

25427628 is an abundant number, since it is smaller than the sum of its proper divisors (40496132).

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

25427628 is a wasteful number, since it uses less digits than its factorization.

25427628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235454 (or 235446 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 25427628 is about 5042.5814817413. The cubic root of 25427628 is about 294.0595464560.

The spelling of 25427628 in words is "twenty-five million, four hundred twenty-seven thousand, six hundred twenty-eight".