16317245 has 12 divisors (see below), whose sum is σ = 22777884. Its totient is φ = 11188800.

The previous prime is 16317233. The next prime is 16317251. The reversal of 16317245 is 54271361.

It can be written as a sum of positive squares in 2 ways, for example, as 9572836 + 6744409 = 3094^2 + 2597^2 .

It is not a de Polignac number, because 16317245 - 2¹⁴ = 16300861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33056 + ... + 33545.

It is an arithmetic number, because the mean of its divisors is an integer number (1898157).

Almost surely, 2^16317245 is an apocalyptic number.

It is an amenable number.

16317245 is a deficient number, since it is larger than the sum of its proper divisors (6460639).

16317245 is an equidigital number, since it uses as much as digits as its factorization.

16317245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66620 (or 66613 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 16317245 is about 4039.4609788931. The cubic root of 16317245 is about 253.6387542485.

The spelling of 16317245 in words is "sixteen million, three hundred seventeen thousand, two hundred forty-five".