64316503 has 2 divisors, whose sum is σ = 64316504. Its totient is φ = 64316502.

The previous prime is 64316489. The next prime is 64316513. The reversal of 64316503 is 30561346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64316503 - 2⁹ = 64315991 is a prime.

It is a super-2 number, since 2×64316503² = 8273225116298018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64316513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32158251 + 32158252.

It is an arithmetic number, because the mean of its divisors is an integer number (32158252).

Almost surely, 2^64316503 is an apocalyptic number.

64316503 is a deficient number, since it is larger than the sum of its proper divisors (1).

64316503 is an equidigital number, since it uses as much as digits as its factorization.

64316503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 64316503 is about 8019.7570412077. The cubic root of 64316503 is about 400.6582972674.

Adding to 64316503 its reverse (30561346), we get a palindrome (94877849).

The spelling of 64316503 in words is "sixty-four million, three hundred sixteen thousand, five hundred three".