64318825 has 12 divisors (see below), whose sum is σ = 80045968. Its totient is φ = 51267600.

The previous prime is 64318811. The next prime is 64318847. The reversal of 64318825 is 52881346.

It is a happy number.

It is not a de Polignac number, because 64318825 - 2⁹ = 64318313 is a prime.

It is a super-3 number, since 3×64318825³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2530 + ... + 11620.

Almost surely, 2^64318825 is an apocalyptic number.

It is an amenable number.

64318825 is a deficient number, since it is larger than the sum of its proper divisors (15727143).

64318825 is a wasteful number, since it uses less digits than its factorization.

64318825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9384 (or 9379 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 64318825 is about 8019.9018073789. The cubic root of 64318825 is about 400.6631188261.

The spelling of 64318825 in words is "sixty-four million, three hundred eighteen thousand, eight hundred twenty-five".