64016503 has 2 divisors, whose sum is σ = 64016504. Its totient is φ = 64016502.

The previous prime is 64016479. The next prime is 64016507. The reversal of 64016503 is 30561046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64016503 - 2⁵ = 64016471 is a prime.

It is a super-2 number, since 2×64016503² = 8196225312698018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64016507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32008251 + 32008252.

It is an arithmetic number, because the mean of its divisors is an integer number (32008252).

Almost surely, 2^64016503 is an apocalyptic number.

64016503 is a deficient number, since it is larger than the sum of its proper divisors (1).

64016503 is an equidigital number, since it uses as much as digits as its factorization.

64016503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 64016503 is about 8001.0313710171. The cubic root of 64016503 is about 400.0343782952.

Adding to 64016503 its reverse (30561046), we get a palindrome (94577549).

The spelling of 64016503 in words is "sixty-four million, sixteen thousand, five hundred three".