315604453 has 4 divisors (see below), whose sum is σ = 321559308. Its totient is φ = 309649600.

The previous prime is 315604433. The next prime is 315604493. The reversal of 315604453 is 354406513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354406513 = 151 ⋅2347063.

It can be written as a sum of positive squares in 2 ways, for example, as 181090849 + 134513604 = 13457^2 + 11598^2 .

It is a cyclic number.

It is not a de Polignac number, because 315604453 - 2¹⁷ = 315473381 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 (315604433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2977348 + ... + 2977453.

It is an arithmetic number, because the mean of its divisors is an integer number (80389827).

Almost surely, 2^315604453 is an apocalyptic number.

It is an amenable number.

315604453 is a deficient number, since it is larger than the sum of its proper divisors (5954855).

315604453 is an equidigital number, since it uses as much as digits as its factorization.

315604453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954854.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 315604453 is about 17765.2597222782. The cubic root of 315604453 is about 680.8441455679.

The spelling of 315604453 in words is "three hundred fifteen million, six hundred four thousand, four hundred fifty-three".