25490862 has 20 divisors (see below), whose sum is σ = 57118776. Its totient is φ = 8496900.

The previous prime is 25490833. The next prime is 25490867. The reversal of 25490862 is 26809452.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25490867) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 78514 + ... + 78837.

Almost surely, 2^25490862 is an apocalyptic number.

25490862 is an abundant number, since it is smaller than the sum of its proper divisors (31627914).

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

25490862 is a wasteful number, since it uses less digits than its factorization.

25490862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157365 (or 157356 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 25490862 is about 5048.8475912826. The cubic root of 25490862 is about 294.3031026491.

The spelling of 25490862 in words is "twenty-five million, four hundred ninety thousand, eight hundred sixty-two".