315599 has 2 divisors, whose sum is σ = 315600. Its totient is φ = 315598.

The previous prime is 315593. The next prime is 315613. The reversal of 315599 is 995513.

It is a weak prime.

It is an emirp because it is prime and its reverse (995513) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157799 + 157800.

It is an arithmetic number, because the mean of its divisors is an integer number (157800).

2³¹⁵⁵⁹⁹ is an apocalyptic number.

315599 is a deficient number, since it is larger than the sum of its proper divisors (1).

315599 is an equidigital number, since it uses as much as digits as its factorization.

315599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6075, while the sum is 32.

The square root of 315599 is about 561.7819861833. The cubic root of 315599 is about 68.0840224347.

The spelling of 315599 in words is "three hundred fifteen thousand, five hundred ninety-nine".