61564083 has 16 divisors (see below), whose sum is σ = 96101376. Its totient is φ = 34320960.

The previous prime is 61564079. The next prime is 61564127. The reversal of 61564083 is 38046516.

It is not a de Polignac number, because 61564083 - 2² = 61564079 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61565083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34891 + ... + 36612.

It is an arithmetic number, because the mean of its divisors is an integer number (6006336).

Almost surely, 2^61564083 is an apocalyptic number.

61564083 is a deficient number, since it is larger than the sum of its proper divisors (34537293).

61564083 is a wasteful number, since it uses less digits than its factorization.

61564083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71554.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 61564083 is about 7846.2782897371. The cubic root of 61564083 is about 394.8593912821.

The spelling of 61564083 in words is "sixty-one million, five hundred sixty-four thousand, eighty-three".