16317065 has 4 divisors (see below), whose sum is σ = 19580484. Its totient is φ = 13053648.

The previous prime is 16317061. The next prime is 16317079. The reversal of 16317065 is 56071361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56071361 = 367 ⋅152783.

It can be written as a sum of positive squares in 2 ways, for example, as 3728761 + 12588304 = 1931^2 + 3548^2 .

It is a cyclic number.

It is not a de Polignac number, because 16317065 - 2² = 16317061 is a prime.

It is a super-2 number, since 2×16317065² = 532493220428450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16317061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1631702 + ... + 1631711.

It is an arithmetic number, because the mean of its divisors is an integer number (4895121).

Almost surely, 2^16317065 is an apocalyptic number.

It is an amenable number.

16317065 is a deficient number, since it is larger than the sum of its proper divisors (3263419).

16317065 is an equidigital number, since it uses as much as digits as its factorization.

16317065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263418.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 16317065 is about 4039.4386986313. The cubic root of 16317065 is about 253.6378215922.

The spelling of 16317065 in words is "sixteen million, three hundred seventeen thousand, sixty-five".