25780576 has 24 divisors (see below), whose sum is σ = 51105600. Its totient is φ = 12801408.

The previous prime is 25780567. The next prime is 25780583. The reversal of 25780576 is 67508752.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its 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, 2065 + ... + 7471.

It is an arithmetic number, because the mean of its divisors is an integer number (2129400).

Almost surely, 2^25780576 is an apocalyptic number.

It is an amenable number.

25780576 is a deficient number, since it is larger than the sum of its proper divisors (25325024).

25780576 is a wasteful number, since it uses less digits than its factorization.

25780576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566 (or 5558 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 25780576 is about 5077.4576315317. The cubic root of 25780576 is about 295.4138632341.

The spelling of 25780576 in words is "twenty-five million, seven hundred eighty thousand, five hundred seventy-six".