25492402 has 16 divisors (see below), whose sum is σ = 41415192. Its totient is φ = 11698560.

The previous prime is 25492381. The next prime is 25492427. The reversal of 25492402 is 20429452.

It is a Cunningham number, because it is equal to 5049²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 3767481 + 21724921 = 1941^2 + 4661^2 .

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, 1998 + ... + 7414.

Almost surely, 2^25492402 is an apocalyptic number.

25492402 is a deficient number, since it is larger than the sum of its proper divisors (15922790).

25492402 is a wasteful number, since it uses less digits than its factorization.

25492402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 25492402 is about 5049.0000990295. Note that the first 4 decimals coincide. The cubic root of 25492402 is about 294.3090291867.

The spelling of 25492402 in words is "twenty-five million, four hundred ninety-two thousand, four hundred two".