61523256 has 32 divisors (see below), whose sum is σ = 154198800. Its totient is φ = 20455680.

The previous prime is 61523237. The next prime is 61523257. The reversal of 61523256 is 65232516.

61523256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61523256² = 7570222057683072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61523257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7060 + ... + 13148.

Almost surely, 2^61523256 is an apocalyptic number.

It is an amenable number.

61523256 is an abundant number, since it is smaller than the sum of its proper divisors (92675544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61523256 is a wasteful number, since it uses less digits than its factorization.

61523256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519 (or 6515 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 61523256 is about 7843.6761789355. The cubic root of 61523256 is about 394.7720866477.

It can be divided in two parts, 615 and 23256, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 61523256 in words is "sixty-one million, five hundred twenty-three thousand, two hundred fifty-six".