64630503 has 24 divisors (see below), whose sum is σ = 107347968. Its totient is φ = 36704592.

The previous prime is 64630469. The next prime is 64630507. The reversal of 64630503 is 30503646.

It is not a de Polignac number, because 64630503 - 2⁶ = 64630439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64630507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7450 + ... + 13592.

It is an arithmetic number, because the mean of its divisors is an integer number (4472832).

Almost surely, 2^64630503 is an apocalyptic number.

64630503 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

64630503 is a deficient number, since it is larger than the sum of its proper divisors (42717465).

64630503 is a wasteful number, since it uses less digits than its factorization.

64630503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323 (or 6320 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 64630503 is about 8039.3098584393. The cubic root of 64630503 is about 401.3092578508.

The spelling of 64630503 in words is "sixty-four million, six hundred thirty thousand, five hundred three".