315116453 has 4 divisors (see below), whose sum is σ = 315417900. Its totient is φ = 314815008.

The previous prime is 315116443. The next prime is 315116467. The reversal of 315116453 is 354611513.

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 114554209 + 200562244 = 10703^2 + 14162^2 .

It is a cyclic number.

It is not a de Polignac number, because 315116453 - 2²² = 310922149 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 (315116443) 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, 149150 + ... + 151247.

It is an arithmetic number, because the mean of its divisors is an integer number (78854475).

Almost surely, 2^315116453 is an apocalyptic number.

It is an amenable number.

315116453 is a deficient number, since it is larger than the sum of its proper divisors (301447).

315116453 is a wasteful number, since it uses less digits than its factorization.

315116453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301446.

The product of its digits is 5400, while the sum is 29.

The square root of 315116453 is about 17751.5197377577. The cubic root of 315116453 is about 680.4930485600.

Adding to 315116453 its reverse (354611513), we get a palindrome (669727966).

The spelling of 315116453 in words is "three hundred fifteen million, one hundred sixteen thousand, four hundred fifty-three".