64385315 has 8 divisors (see below), whose sum is σ = 77310288. Its totient is φ = 51476320.

The previous prime is 64385261. The next prime is 64385329. The reversal of 64385315 is 51358346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64385315 - 2¹⁶ = 64319779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8345 + ... + 14085.

It is an arithmetic number, because the mean of its divisors is an integer number (9663786).

Almost surely, 2^64385315 is an apocalyptic number.

64385315 is a deficient number, since it is larger than the sum of its proper divisors (12924973).

64385315 is a wasteful number, since it uses less digits than its factorization.

64385315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7989.

The product of its digits is 43200, while the sum is 35.

The square root of 64385315 is about 8024.0460492198. The cubic root of 64385315 is about 400.8011339730.

It can be divided in two parts, 643 and 85315, that added together give a palindrome (85958).

The spelling of 64385315 in words is "sixty-four million, three hundred eighty-five thousand, three hundred fifteen".