25472456 has 8 divisors (see below), whose sum is σ = 47760870. Its totient is φ = 12736224.

The previous prime is 25472437. The next prime is 25472459. The reversal of 25472456 is 65427452.

It can be written as a sum of positive squares in only one way, i.e., 16532356 + 8940100 = 4066^2 + 2990^2 .

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 (25472459) 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, 1592021 + ... + 1592036.

Almost surely, 2^25472456 is an apocalyptic number.

It is an amenable number.

25472456 is a deficient number, since it is larger than the sum of its proper divisors (22288414).

25472456 is a wasteful number, since it uses less digits than its factorization.

25472456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184063 (or 3184059 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 25472456 is about 5047.0244699228. The cubic root of 25472456 is about 294.2322504980.

The spelling of 25472456 in words is "twenty-five million, four hundred seventy-two thousand, four hundred fifty-six".