64305317 has 4 divisors (see below), whose sum is σ = 64473600. Its totient is φ = 64137036.

The previous prime is 64305301. The next prime is 64305337. The reversal of 64305317 is 71350346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64305317 - 2⁴ = 64305301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64305317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64305337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83567 + ... + 84332.

It is an arithmetic number, because the mean of its divisors is an integer number (16118400).

Almost surely, 2^64305317 is an apocalyptic number.

It is an amenable number.

64305317 is a deficient number, since it is larger than the sum of its proper divisors (168283).

64305317 is a wasteful number, since it uses less digits than its factorization.

64305317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168282.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 64305317 is about 8019.0596082084. The cubic root of 64305317 is about 400.6350682705.

The spelling of 64305317 in words is "sixty-four million, three hundred five thousand, three hundred seventeen".