25711456 has 12 divisors (see below), whose sum is σ = 50619492. Its totient is φ = 12855712.

The previous prime is 25711453. The next prime is 25711459. The reversal of 25711456 is 65411752.

It is an interprime number because it is at equal distance from previous prime (25711453) and next prime (25711459).

It is a super-2 number, since 2×25711456² = 1322157939279872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25711453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401710 + ... + 401773.

It is an arithmetic number, because the mean of its divisors is an integer number (4218291).

Almost surely, 2^25711456 is an apocalyptic number.

It is an amenable number.

25711456 is a deficient number, since it is larger than the sum of its proper divisors (24908036).

25711456 is an equidigital number, since it uses as much as digits as its factorization.

25711456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803493 (or 803485 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 25711456 is about 5070.6465071034. The cubic root of 25711456 is about 295.1496167223.

The spelling of 25711456 in words is "twenty-five million, seven hundred eleven thousand, four hundred fifty-six".