65380564 has 12 divisors (see below), whose sum is σ = 114578464. Its totient is φ = 32643864.

The previous prime is 65380561. The next prime is 65380571. The reversal of 65380564 is 46508356.

65380564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65380561) 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, 8334 + ... + 14149.

Almost surely, 2^65380564 is an apocalyptic number.

It is an amenable number.

65380564 is a deficient number, since it is larger than the sum of its proper divisors (49197900).

65380564 is a wasteful number, since it uses less digits than its factorization.

65380564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23214 (or 23212 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 65380564 is about 8085.8248806167. The cubic root of 65380564 is about 402.8557383766.

The spelling of 65380564 in words is "sixty-five million, three hundred eighty thousand, five hundred sixty-four".