25493970 has 32 divisors (see below), whose sum is σ = 62052480. Its totient is φ = 6702080.

The previous prime is 25493957. The next prime is 25493981. The reversal of 25493970 is 7939452.

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, 3855 + ... + 8114.

It is an arithmetic number, because the mean of its divisors is an integer number (1939140).

Almost surely, 2^25493970 is an apocalyptic number.

25493970 is an abundant number, since it is smaller than the sum of its proper divisors (36558510).

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

25493970 is a wasteful number, since it uses less digits than its factorization.

25493970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12050.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 25493970 is about 5049.1553749117. The cubic root of 25493970 is about 294.3150632342.

The spelling of 25493970 in words is "twenty-five million, four hundred ninety-three thousand, nine hundred seventy".