16315147 has 2 divisors, whose sum is σ = 16315148. Its totient is φ = 16315146.

The previous prime is 16315069. The next prime is 16315151. The reversal of 16315147 is 74151361.

It is a strong prime.

It is an emirp because it is prime and its reverse (74151361) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16315147 is a prime.

It is not a weakly prime, because it can be changed into another prime (16313147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8157573 + 8157574.

It is an arithmetic number, because the mean of its divisors is an integer number (8157574).

Almost surely, 2^16315147 is an apocalyptic number.

16315147 is a deficient number, since it is larger than the sum of its proper divisors (1).

16315147 is an equidigital number, since it uses as much as digits as its factorization.

16315147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 16315147 is about 4039.2012824320. The cubic root of 16315147 is about 253.6278831953.

The spelling of 16315147 in words is "sixteen million, three hundred fifteen thousand, one hundred forty-seven".