25420552 has 16 divisors (see below), whose sum is σ = 47773440. Its totient is φ = 12680976.

The previous prime is 25420531. The next prime is 25420579. The reversal of 25420552 is 25502452.

It is a happy 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, 273 + ... + 7135.

It is an arithmetic number, because the mean of its divisors is an integer number (2985840).

Almost surely, 2^25420552 is an apocalyptic number.

It is an amenable number.

25420552 is a deficient number, since it is larger than the sum of its proper divisors (22352888).

25420552 is a wasteful number, since it uses less digits than its factorization.

25420552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7332 (or 7328 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 25420552 is about 5041.8798081668. The cubic root of 25420552 is about 294.0322669631.

The spelling of 25420552 in words is "twenty-five million, four hundred twenty thousand, five hundred fifty-two".