16312459 has 2 divisors, whose sum is σ = 16312460. Its totient is φ = 16312458.

The previous prime is 16312441. The next prime is 16312489. The reversal of 16312459 is 95421361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16312459 - 2⁵ = 16312427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16312459.

It is not a weakly prime, because it can be changed into another prime (16312489) 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, 8156229 + 8156230.

It is an arithmetic number, because the mean of its divisors is an integer number (8156230).

Almost surely, 2^16312459 is an apocalyptic number.

16312459 is a deficient number, since it is larger than the sum of its proper divisors (1).

16312459 is an equidigital number, since it uses as much as digits as its factorization.

16312459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 16312459 is about 4038.8685296751. The cubic root of 16312459 is about 253.6139536203.

The spelling of 16312459 in words is "sixteen million, three hundred twelve thousand, four hundred fifty-nine".