64653285 has 8 divisors (see below), whose sum is σ = 103445280. Its totient is φ = 34481744.

The previous prime is 64653271. The next prime is 64653293. The reversal of 64653285 is 58235646.

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 64653285 - 2⁶ = 64653221 is a prime.

It is a super-2 number, since 2×64653285² = 8360094522582450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155095 + ... + 2155124.

It is an arithmetic number, because the mean of its divisors is an integer number (12930660).

Almost surely, 2^64653285 is an apocalyptic number.

It is an amenable number.

64653285 is a deficient number, since it is larger than the sum of its proper divisors (38791995).

64653285 is a wasteful number, since it uses less digits than its factorization.

64653285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310227.

The product of its digits is 172800, while the sum is 39.

The square root of 64653285 is about 8040.7266462677. The cubic root of 64653285 is about 401.3564056270.

The spelling of 64653285 in words is "sixty-four million, six hundred fifty-three thousand, two hundred eighty-five".