61333564 has 12 divisors (see below), whose sum is σ = 107753184. Its totient is φ = 30546944.

The previous prime is 61333553. The next prime is 61333583. The reversal of 61333564 is 46533316.

It is a congruent number.

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, 28804 + ... + 30859.

It is an arithmetic number, because the mean of its divisors is an integer number (8979432).

Almost surely, 2^61333564 is an apocalyptic number.

It is an amenable number.

61333564 is a deficient number, since it is larger than the sum of its proper divisors (46419620).

61333564 is a wasteful number, since it uses less digits than its factorization.

61333564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59924 (or 59922 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The square root of 61333564 is about 7831.5748097046. The cubic root of 61333564 is about 394.3659410318.

The spelling of 61333564 in words is "sixty-one million, three hundred thirty-three thousand, five hundred sixty-four".