61033564 has 12 divisors (see below), whose sum is σ = 107910544. Its totient is φ = 30201984.

The previous prime is 61033561. The next prime is 61033571. The reversal of 61033564 is 46533016.

61033564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61033561) 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 3 ways as a sum of consecutive naturals, for example, 78264 + ... + 79039.

Almost surely, 2^61033564 is an apocalyptic number.

It is an amenable number.

61033564 is a deficient number, since it is larger than the sum of its proper divisors (46876980).

61033564 is a wasteful number, since it uses less digits than its factorization.

61033564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157404 (or 157402 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 61033564 is about 7812.3980953354. The cubic root of 61033564 is about 393.7219043025.

The spelling of 61033564 in words is "sixty-one million, thirty-three thousand, five hundred sixty-four".