315593 has 2 divisors, whose sum is σ = 315594. Its totient is φ = 315592.

The previous prime is 315589. The next prime is 315599. The reversal of 315593 is 395513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299209 + 16384 = 547^2 + 128^2 .

It is an emirp because it is prime and its reverse (395513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315593 - 2² = 315589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315593.

It is not a weakly prime, because it can be changed into another prime (315599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157796 + 157797.

It is an arithmetic number, because the mean of its divisors is an integer number (157797).

2³¹⁵⁵⁹³ is an apocalyptic number.

It is an amenable number.

315593 is a deficient number, since it is larger than the sum of its proper divisors (1).

315593 is an equidigital number, since it uses as much as digits as its factorization.

315593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2025, while the sum is 26.

The square root of 315593 is about 561.7766460080. The cubic root of 315593 is about 68.0835909729.

The spelling of 315593 in words is "three hundred fifteen thousand, five hundred ninety-three".