5731456 has 16 divisors (see below), whose sum is σ = 11418390. Its totient is φ = 2865664.

The previous prime is 5731441. The next prime is 5731463. The reversal of 5731456 is 6541375.

It can be written as a sum of positive squares in only one way, i.e., 3297856 + 2433600 = 1816^2 + 1560^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22261 + ... + 22516.

Almost surely, 2^5731456 is an apocalyptic number.

It is an amenable number.

5731456 is a deficient number, since it is larger than the sum of its proper divisors (5686934).

5731456 is an equidigital number, since it uses as much as digits as its factorization.

5731456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44791 (or 44779 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 5731456 is about 2394.0459477629. The cubic root of 5731456 is about 178.9595947210.

It can be divided in two parts, 57 and 31456, that added together give a palindrome (31513).

The spelling of 5731456 in words is "five million, seven hundred thirty-one thousand, four hundred fifty-six".