25782952 has 16 divisors (see below), whose sum is σ = 52061940. Its totient is φ = 11899776.

The previous prime is 25782949. The next prime is 25782959. The reversal of 25782952 is 25928752.

It can be written as a sum of positive squares in 2 ways, for example, as 20557156 + 5225796 = 4534^2 + 2286^2 .

It is a super-2 number, since 2×25782952² = 1329521227668608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25782959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123853 + ... + 124060.

Almost surely, 2^25782952 is an apocalyptic number.

It is an amenable number.

25782952 is an abundant number, since it is smaller than the sum of its proper divisors (26278988).

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

25782952 is a wasteful number, since it uses less digits than its factorization.

25782952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247932 (or 247928 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 25782952 is about 5077.6916015056. The cubic root of 25782952 is about 295.4229383065.

The spelling of 25782952 in words is "twenty-five million, seven hundred eighty-two thousand, nine hundred fifty-two".