25438492 has 12 divisors (see below), whose sum is σ = 46860520. Its totient is φ = 12049776.

The previous prime is 25438487. The next prime is 25438513. The reversal of 25438492 is 29483452.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167283 + ... + 167434.

Almost surely, 2^25438492 is an apocalyptic number.

It is an amenable number.

25438492 is a deficient number, since it is larger than the sum of its proper divisors (21422028).

25438492 is a wasteful number, since it uses less digits than its factorization.

25438492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334740 (or 334738 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 25438492 is about 5043.6585927281. The cubic root of 25438492 is about 294.1014196506.

The spelling of 25438492 in words is "twenty-five million, four hundred thirty-eight thousand, four hundred ninety-two".