64025317 has 4 divisors (see below), whose sum is σ = 64210176. Its totient is φ = 63840460.

The previous prime is 64025309. The next prime is 64025329. The reversal of 64025317 is 71352046.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71352046 = 2 ⋅35676023.

It is a cyclic number.

It is not a de Polignac number, because 64025317 - 2³ = 64025309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64025347) 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, 91909 + ... + 92602.

It is an arithmetic number, because the mean of its divisors is an integer number (16052544).

Almost surely, 2^64025317 is an apocalyptic number.

It is an amenable number.

64025317 is a deficient number, since it is larger than the sum of its proper divisors (184859).

64025317 is a wasteful number, since it uses less digits than its factorization.

64025317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184858.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 64025317 is about 8001.5821560489. The cubic root of 64025317 is about 400.0527367968.

The spelling of 64025317 in words is "sixty-four million, twenty-five thousand, three hundred seventeen".