61364 has 18 divisors (see below), whose sum is σ = 116130. Its totient is φ = 28336.

The previous prime is 61363. The next prime is 61379. The reversal of 61364 is 46316.

It can be written as a sum of positive squares in only one way, i.e., 52900 + 8464 = 230^2 + 92^2 .

Its product of digits (432) is a multiple of the sum of its prime divisors (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2102 + ... + 2130.

2⁶¹³⁶⁴ is an apocalyptic number.

It is an amenable number.

61364 is a deficient number, since it is larger than the sum of its proper divisors (54766).

61364 is a wasteful number, since it uses less digits than its factorization.

61364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 54 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 61364 is about 247.7175811282. The cubic root of 61364 is about 39.4431163270.

The spelling of 61364 in words is "sixty-one thousand, three hundred sixty-four".