16264531 has 2 divisors, whose sum is σ = 16264532. Its totient is φ = 16264530.

The previous prime is 16264489. The next prime is 16264543. The reversal of 16264531 is 13546261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16264531 - 2⁷ = 16264403 is a prime.

It is a super-2 number, since 2×16264531² = 529069937299922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16264531.

It is not a weakly prime, because it can be changed into another prime (16264231) 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, 8132265 + 8132266.

It is an arithmetic number, because the mean of its divisors is an integer number (8132266).

Almost surely, 2^16264531 is an apocalyptic number.

16264531 is a deficient number, since it is larger than the sum of its proper divisors (1).

16264531 is an equidigital number, since it uses as much as digits as its factorization.

16264531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 16264531 is about 4032.9308201356. The cubic root of 16264531 is about 253.3653270227.

The spelling of 16264531 in words is "sixteen million, two hundred sixty-four thousand, five hundred thirty-one".