25790902 has 4 divisors (see below), whose sum is σ = 38686356. Its totient is φ = 12895450.

The previous prime is 25790899. The next prime is 25790903. The reversal of 25790902 is 20909752.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25790903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6447724 + ... + 6447727.

It is an arithmetic number, because the mean of its divisors is an integer number (9671589).

Almost surely, 2^25790902 is an apocalyptic number.

25790902 is a deficient number, since it is larger than the sum of its proper divisors (12895454).

25790902 is a wasteful number, since it uses less digits than its factorization.

25790902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12895453.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 25790902 is about 5078.4743772121. The cubic root of 25790902 is about 295.4532990788.

The spelling of 25790902 in words is "twenty-five million, seven hundred ninety thousand, nine hundred two".