61360256 has 16 divisors (see below), whose sum is σ = 122241390. Its totient is φ = 30680064.

The previous prime is 61360241. The next prime is 61360261. The reversal of 61360256 is 65206316.

It can be written as a sum of positive squares in only one way, i.e., 61089856 + 270400 = 7816^2 + 520^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239561 + ... + 239816.

Almost surely, 2^61360256 is an apocalyptic number.

It is an amenable number.

61360256 is a deficient number, since it is larger than the sum of its proper divisors (60881134).

61360256 is an equidigital number, since it uses as much as digits as its factorization.

61360256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479391 (or 479379 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 61360256 is about 7833.2787515829. The cubic root of 61360256 is about 394.4231413006.

It can be divided in two parts, 61360 and 256, that added together give a palindrome (61616).

The spelling of 61360256 in words is "sixty-one million, three hundred sixty thousand, two hundred fifty-six".