25490612 has 24 divisors (see below), whose sum is σ = 51327360. Its totient is φ = 10850400.

The previous prime is 25490603. The next prime is 25490627. The reversal of 25490612 is 21609452.

It is a happy number.

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, 1214 + ... + 7242.

It is an arithmetic number, because the mean of its divisors is an integer number (2138640).

Almost surely, 2^25490612 is an apocalyptic number.

It is an amenable number.

25490612 is an abundant number, since it is smaller than the sum of its proper divisors (25836748).

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

25490612 is a wasteful number, since it uses less digits than its factorization.

25490612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191 (or 6189 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 25490612 is about 5048.8228330968. The cubic root of 25490612 is about 294.3021405264.

The spelling of 25490612 in words is "twenty-five million, four hundred ninety thousand, six hundred twelve".