25772514 has 16 divisors (see below), whose sum is σ = 51596352. Its totient is φ = 8582288.

The previous prime is 25772423. The next prime is 25772533. The reversal of 25772514 is 41527752.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8347 + ... + 11009.

It is an arithmetic number, because the mean of its divisors is an integer number (3224772).

Almost surely, 2^25772514 is an apocalyptic number.

25772514 is an abundant number, since it is smaller than the sum of its proper divisors (25823838).

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

25772514 is a wasteful number, since it uses less digits than its factorization.

25772514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281.

The product of its digits is 19600, while the sum is 33.

The square root of 25772514 is about 5076.6636681978. The cubic root of 25772514 is about 295.3830664712.

It can be divided in two parts, 257 and 72514, that added together give a triangular number (72771 = T₃₈₁).

The spelling of 25772514 in words is "twenty-five million, seven hundred seventy-two thousand, five hundred fourteen".