315396253 has 4 divisors (see below), whose sum is σ = 316191100. Its totient is φ = 314601408.

The previous prime is 315396239. The next prime is 315396283. The reversal of 315396253 is 352693513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352693513 = 3253 ⋅108421.

It can be written as a sum of positive squares in 2 ways, for example, as 164916964 + 150479289 = 12842^2 + 12267^2 .

It is a cyclic number.

It is not a de Polignac number, because 315396253 - 2²¹ = 313299101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315396283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396828 + ... + 397621.

It is an arithmetic number, because the mean of its divisors is an integer number (79047775).

Almost surely, 2^315396253 is an apocalyptic number.

It is an amenable number.

315396253 is a deficient number, since it is larger than the sum of its proper divisors (794847).

315396253 is an equidigital number, since it uses as much as digits as its factorization.

315396253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794846.

The product of its digits is 72900, while the sum is 37.

The square root of 315396253 is about 17759.3990044708. The cubic root of 315396253 is about 680.6943980682.

The spelling of 315396253 in words is "three hundred fifteen million, three hundred ninety-six thousand, two hundred fifty-three".