315652553 has 4 divisors (see below), whose sum is σ = 315704340. Its totient is φ = 315600768.

The previous prime is 315652543. The next prime is 315652619. The reversal of 315652553 is 355256513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 294740224 + 20912329 = 17168^2 + 4573^2 .

It is a cyclic number.

It is not a de Polignac number, because 315652553 - 2²⁸ = 47217097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315652543) 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, 15308 + ... + 29421.

It is an arithmetic number, because the mean of its divisors is an integer number (78926085).

Almost surely, 2^315652553 is an apocalyptic number.

It is an amenable number.

315652553 is a deficient number, since it is larger than the sum of its proper divisors (51787).

315652553 is an equidigital number, since it uses as much as digits as its factorization.

315652553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51786.

The product of its digits is 67500, while the sum is 35.

The square root of 315652553 is about 17766.6134364431. The cubic root of 315652553 is about 680.8787320463.

The spelling of 315652553 in words is "three hundred fifteen million, six hundred fifty-two thousand, five hundred fifty-three".