64260317 has 12 divisors (see below), whose sum is σ = 73072860. Its totient is φ = 56400960.

The previous prime is 64260311. The next prime is 64260353. The reversal of 64260317 is 71306246.

It can be written as a sum of positive squares in 2 ways, for example, as 24393721 + 39866596 = 4939^2 + 6314^2 .

It is not a de Polignac number, because 64260317 - 2⁶ = 64260253 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 64260317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64260311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5648 + ... + 12665.

It is an arithmetic number, because the mean of its divisors is an integer number (6089405).

Almost surely, 2^64260317 is an apocalyptic number.

It is an amenable number.

64260317 is a deficient number, since it is larger than the sum of its proper divisors (8812543).

64260317 is a wasteful number, since it uses less digits than its factorization.

64260317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18364 (or 18353 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 64260317 is about 8016.2533018861. The cubic root of 64260317 is about 400.5415934437.

The spelling of 64260317 in words is "sixty-four million, two hundred sixty thousand, three hundred seventeen".