64565268 has 24 divisors (see below), whose sum is σ = 158581920. Its totient is φ = 20388960.

The previous prime is 64565261. The next prime is 64565273. The reversal of 64565268 is 86256546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64565261) 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 7 ways as a sum of consecutive naturals, for example, 141363 + ... + 141818.

It is an arithmetic number, because the mean of its divisors is an integer number (6607580).

Almost surely, 2^64565268 is an apocalyptic number.

It is an amenable number.

64565268 is an abundant number, since it is smaller than the sum of its proper divisors (94016652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64565268 is a wasteful number, since it uses less digits than its factorization.

64565268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283207 (or 283205 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 64565268 is about 8035.2515828691. The cubic root of 64565268 is about 401.1741914799.

The spelling of 64565268 in words is "sixty-four million, five hundred sixty-five thousand, two hundred sixty-eight".