61256456 has 16 divisors (see below), whose sum is σ = 120901200. Its totient is φ = 29016144.

The previous prime is 61256431. The next prime is 61256471. The reversal of 61256456 is 65465216.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201350 + ... + 201653.

It is an arithmetic number, because the mean of its divisors is an integer number (7556325).

Almost surely, 2^61256456 is an apocalyptic number.

It is an amenable number.

61256456 is a deficient number, since it is larger than the sum of its proper divisors (59644744).

61256456 is a wasteful number, since it uses less digits than its factorization.

61256456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403028 (or 403024 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 61256456 is about 7826.6503690915. The cubic root of 61256456 is about 394.2006072998.

The spelling of 61256456 in words is "sixty-one million, two hundred fifty-six thousand, four hundred fifty-six".