64318533 has 8 divisors (see below), whose sum is σ = 85831200. Its totient is φ = 42842448.

The previous prime is 64318493. The next prime is 64318537. The reversal of 64318533 is 33581346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64318533 - 2¹³ = 64310341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64318494 and 64318503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64318537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4738 + ... + 12291.

It is an arithmetic number, because the mean of its divisors is an integer number (10728900).

Almost surely, 2^64318533 is an apocalyptic number.

It is an amenable number.

64318533 is a deficient number, since it is larger than the sum of its proper divisors (21512667).

64318533 is a wasteful number, since it uses less digits than its factorization.

64318533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18291.

The product of its digits is 25920, while the sum is 33.

The square root of 64318533 is about 8019.8836026466. The cubic root of 64318533 is about 400.6625125038.

Adding to 64318533 its reverse (33581346), we get a palindrome (97899879).

The spelling of 64318533 in words is "sixty-four million, three hundred eighteen thousand, five hundred thirty-three".