16313537 has 2 divisors, whose sum is σ = 16313538. Its totient is φ = 16313536.

The previous prime is 16313527. The next prime is 16313543. The reversal of 16313537 is 73531361.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16313521 + 16 = 4039^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 16313537 - 2¹⁴ = 16297153 is a prime.

It is a super-2 number, since 2×16313537² = 532262978900738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16313527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8156768 + 8156769.

It is an arithmetic number, because the mean of its divisors is an integer number (8156769).

Almost surely, 2^16313537 is an apocalyptic number.

It is an amenable number.

16313537 is a deficient number, since it is larger than the sum of its proper divisors (1).

16313537 is an equidigital number, since it uses as much as digits as its factorization.

16313537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 29.

The square root of 16313537 is about 4039.0019806878. The cubic root of 16313537 is about 253.6195401440.

Adding to 16313537 its reverse (73531361), we get a palindrome (89844898).

The spelling of 16313537 in words is "sixteen million, three hundred thirteen thousand, five hundred thirty-seven".