315338461 has 4 divisors (see below), whose sum is σ = 315380124. Its totient is φ = 315296800.

The previous prime is 315338449. The next prime is 315338467. The reversal of 315338461 is 164833513.

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 2579236 + 312759225 = 1606^2 + 17685^2 .

It is a cyclic number.

It is not a de Polignac number, because 315338461 - 2¹³ = 315330269 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 (315338467) 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, 5920 + ... + 25801.

It is an arithmetic number, because the mean of its divisors is an integer number (78845031).

Almost surely, 2^315338461 is an apocalyptic number.

It is an amenable number.

315338461 is a deficient number, since it is larger than the sum of its proper divisors (41663).

315338461 is an equidigital number, since it uses as much as digits as its factorization.

315338461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41662.

The product of its digits is 25920, while the sum is 34.

The square root of 315338461 is about 17757.7718478417. The cubic root of 315338461 is about 680.6528195848.

It can be divided in two parts, 3153 and 38461, that added together give a palindrome (41614).

The spelling of 315338461 in words is "three hundred fifteen million, three hundred thirty-eight thousand, four hundred sixty-one".