25612494 has 32 divisors (see below), whose sum is σ = 54240000. Its totient is φ = 8040384.

The previous prime is 25612487. The next prime is 25612507. The reversal of 25612494 is 49421652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22122 + ... + 23250.

It is an arithmetic number, because the mean of its divisors is an integer number (1695000).

Almost surely, 2^25612494 is an apocalyptic number.

25612494 is an abundant number, since it is smaller than the sum of its proper divisors (28627506).

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

25612494 is a wasteful number, since it uses less digits than its factorization.

25612494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352.

The product of its digits is 17280, while the sum is 33.

The square root of 25612494 is about 5060.8787774457. The cubic root of 25612494 is about 294.7704582283.

It can be divided in two parts, 25612 and 494, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 25612494 in words is "twenty-five million, six hundred twelve thousand, four hundred ninety-four".