64324503 has 8 divisors (see below), whose sum is σ = 95295600. Its totient is φ = 42882984.

The previous prime is 64324493. The next prime is 64324511. The reversal of 64324503 is 30542346.

It is not a de Polignac number, because 64324503 - 2⁵ = 64324471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2382389 = 64324503 / (6 + 4 + 3 + 2 + 4 + 5 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64324003) 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, 1191168 + ... + 1191221.

It is an arithmetic number, because the mean of its divisors is an integer number (11911950).

Almost surely, 2^64324503 is an apocalyptic number.

64324503 is a deficient number, since it is larger than the sum of its proper divisors (30971097).

64324503 is a wasteful number, since it uses less digits than its factorization.

64324503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382398 (or 2382392 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 64324503 is about 8020.2557939258. The cubic root of 64324503 is about 400.6749085224.

Adding to 64324503 its reverse (30542346), we get a palindrome (94866849).

The spelling of 64324503 in words is "sixty-four million, three hundred twenty-four thousand, five hundred three".