25054986 has 24 divisors (see below), whose sum is σ = 55081152. Its totient is φ = 7592200.

The previous prime is 25054979. The next prime is 25055011. The reversal of 25054986 is 68945052.

25054986 = 733² + 734² + ... + 776².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16530 + ... + 17981.

It is an arithmetic number, because the mean of its divisors is an integer number (2295048).

Almost surely, 2^25054986 is an apocalyptic number.

25054986 is an abundant number, since it is smaller than the sum of its proper divisors (30026166).

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

25054986 is a wasteful number, since it uses less digits than its factorization.

25054986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34538 (or 34527 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 25054986 is about 5005.4955798602. The cubic root of 25054986 is about 292.6159902317.

The spelling of 25054986 in words is "twenty-five million, fifty-four thousand, nine hundred eighty-six".