16936531 has 2 divisors, whose sum is σ = 16936532. Its totient is φ = 16936530.

The previous prime is 16936523. The next prime is 16936561. The reversal of 16936531 is 13563961.

It is a weak prime.

It is an emirp because it is prime and its reverse (13563961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16936531 - 2³ = 16936523 is a prime.

It is a super-2 number, since 2×16936531² = 573692164627922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16936561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8468265 + 8468266.

It is an arithmetic number, because the mean of its divisors is an integer number (8468266).

Almost surely, 2^16936531 is an apocalyptic number.

16936531 is a deficient number, since it is larger than the sum of its proper divisors (1).

16936531 is an equidigital number, since it uses as much as digits as its factorization.

16936531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 34.

The square root of 16936531 is about 4115.4016814887. The cubic root of 16936531 is about 256.8077665359.

The spelling of 16936531 in words is "sixteen million, nine hundred thirty-six thousand, five hundred thirty-one".