64317245 has 8 divisors (see below), whose sum is σ = 77789184. Its totient is φ = 51048144.

The previous prime is 64317229. The next prime is 64317251. The reversal of 64317245 is 54271346.

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

It is a cyclic number.

It is not a de Polignac number, because 64317245 - 2⁴ = 64317229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50009 + ... + 51278.

It is an arithmetic number, because the mean of its divisors is an integer number (9723648).

Almost surely, 2^64317245 is an apocalyptic number.

It is an amenable number.

64317245 is a deficient number, since it is larger than the sum of its proper divisors (13471939).

64317245 is a wasteful number, since it uses less digits than its factorization.

64317245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101419.

The product of its digits is 20160, while the sum is 32.

The square root of 64317245 is about 8019.8033018273. The cubic root of 64317245 is about 400.6598380193.

The spelling of 64317245 in words is "sixty-four million, three hundred seventeen thousand, two hundred forty-five".