25613290 has 32 divisors (see below), whose sum is σ = 47318400. Its totient is φ = 9979200.

The previous prime is 25613227. The next prime is 25613299. The reversal of 25613290 is 9231652.

It is not an unprimeable number, because it can be changed into a prime (25613299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121285 + ... + 121495.

It is an arithmetic number, because the mean of its divisors is an integer number (1478700).

Almost surely, 2^25613290 is an apocalyptic number.

25613290 is a deficient number, since it is larger than the sum of its proper divisors (21705110).

25613290 is a wasteful number, since it uses less digits than its factorization.

25613290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 25613290 is about 5060.9574193032. The cubic root of 25613290 is about 294.7735118793.

The spelling of 25613290 in words is "twenty-five million, six hundred thirteen thousand, two hundred ninety".