16900531 has 2 divisors, whose sum is σ = 16900532. Its totient is φ = 16900530.

The previous prime is 16900523. The next prime is 16900537. The reversal of 16900531 is 13500961.

It is a strong prime.

It is an emirp because it is prime and its reverse (13500961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16900531 - 2³ = 16900523 is a prime.

It is a super-2 number, since 2×16900531² = 571255896163922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16900496 and 16900505.

It is not a weakly prime, because it can be changed into another prime (16900537) 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, 8450265 + 8450266.

It is an arithmetic number, because the mean of its divisors is an integer number (8450266).

Almost surely, 2^16900531 is an apocalyptic number.

16900531 is a deficient number, since it is larger than the sum of its proper divisors (1).

16900531 is an equidigital number, since it uses as much as digits as its factorization.

16900531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 16900531 is about 4111.0255411515. The cubic root of 16900531 is about 256.6256820674.

The spelling of 16900531 in words is "sixteen million, nine hundred thousand, five hundred thirty-one".