25457896 has 8 divisors (see below), whose sum is σ = 47733570. Its totient is φ = 12728944.

The previous prime is 25457893. The next prime is 25457897. The reversal of 25457896 is 69875452.

It can be written as a sum of positive squares in only one way, i.e., 15760900 + 9696996 = 3970^2 + 3114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (25457893) 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 as a sum of consecutive naturals, namely, 1591111 + ... + 1591126.

Almost surely, 2^25457896 is an apocalyptic number.

It is an amenable number.

25457896 is a deficient number, since it is larger than the sum of its proper divisors (22275674).

25457896 is a wasteful number, since it uses less digits than its factorization.

25457896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182243 (or 3182239 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 25457896 is about 5045.5818296803. The cubic root of 25457896 is about 294.1761789768.

The spelling of 25457896 in words is "twenty-five million, four hundred fifty-seven thousand, eight hundred ninety-six".