25520116 has 24 divisors (see below), whose sum is σ = 48636000. Its totient is φ = 11670624.

The previous prime is 25520071. The next prime is 25520123. The reversal of 25520116 is 61102552.

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, 3586 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (2026500).

Almost surely, 2^25520116 is an apocalyptic number.

It is an amenable number.

25520116 is a deficient number, since it is larger than the sum of its proper divisors (23115884).

25520116 is a wasteful number, since it uses less digits than its factorization.

25520116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11631 (or 11629 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 25520116 is about 5051.7438573229. The cubic root of 25520116 is about 294.4156429985.

Adding to 25520116 its reverse (61102552), we get a palindrome (86622668).

The spelling of 25520116 in words is "twenty-five million, five hundred twenty thousand, one hundred sixteen".