64828533 has 48 divisors (see below), whose sum is σ = 112222208. Its totient is φ = 32551200.

The previous prime is 64828493. The next prime is 64828541. The reversal of 64828533 is 33582846.

It is not a de Polignac number, because 64828533 - 2²⁰ = 63779957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64828491 and 64828500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64828333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78360 + ... + 79182.

Almost surely, 2^64828533 is an apocalyptic number.

It is an amenable number.

64828533 is a deficient number, since it is larger than the sum of its proper divisors (47393675).

64828533 is a wasteful number, since it uses less digits than its factorization.

64828533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 875 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 64828533 is about 8051.6167941600. The cubic root of 64828533 is about 401.7187148873.

The spelling of 64828533 in words is "sixty-four million, eight hundred twenty-eight thousand, five hundred thirty-three".