25416552 has 32 divisors (see below), whose sum is σ = 72619200. Its totient is φ = 7261824.

The previous prime is 25416527. The next prime is 25416607. The reversal of 25416552 is 25561452.

It is a super-2 number, since 2×25416552² = 1292002231137408, which contains 22 as substring.

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, 75477 + ... + 75812.

It is an arithmetic number, because the mean of its divisors is an integer number (2269350).

Almost surely, 2^25416552 is an apocalyptic number.

It is an amenable number.

25416552 is an abundant number, since it is smaller than the sum of its proper divisors (47202648).

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

25416552 is a wasteful number, since it uses less digits than its factorization.

25416552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151305 (or 151301 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 25416552 is about 5041.4831151160. The cubic root of 25416552 is about 294.0168438681.

The spelling of 25416552 in words is "twenty-five million, four hundred sixteen thousand, five hundred fifty-two".