25938830 has 32 divisors (see below), whose sum is σ = 48090240. Its totient is φ = 10068480.

The previous prime is 25938823. The next prime is 25938841. The reversal of 25938830 is 3883952.

25938830 = 216² + 217² + ... + 444².

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 107510 + ... + 107750.

It is an arithmetic number, because the mean of its divisors is an integer number (1502820).

Almost surely, 2^25938830 is an apocalyptic number.

25938830 is a deficient number, since it is larger than the sum of its proper divisors (22151410).

25938830 is a wasteful number, since it uses less digits than its factorization.

25938830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 25938830 is about 5093.0177694565. The cubic root of 25938830 is about 296.0170963464.

The spelling of 25938830 in words is "twenty-five million, nine hundred thirty-eight thousand, eight hundred thirty".