315454241 has 4 divisors (see below), whose sum is σ = 320625684. Its totient is φ = 310282800.

The previous prime is 315454213. The next prime is 315454247. The reversal of 315454241 is 142454513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142454513 = 53 ⋅2687821.

It can be written as a sum of positive squares in 2 ways, for example, as 127215841 + 188238400 = 11279^2 + 13720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315454241 is a prime.

It is a super-2 number, since 2×315454241² = 199022756329772162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315454247) 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, 2585630 + ... + 2585751.

It is an arithmetic number, because the mean of its divisors is an integer number (80156421).

Almost surely, 2^315454241 is an apocalyptic number.

It is an amenable number.

315454241 is a deficient number, since it is larger than the sum of its proper divisors (5171443).

315454241 is an equidigital number, since it uses as much as digits as its factorization.

315454241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171442.

The product of its digits is 9600, while the sum is 29.

The square root of 315454241 is about 17761.0315297282. The cubic root of 315454241 is about 680.7361124593.

The spelling of 315454241 in words is "three hundred fifteen million, four hundred fifty-four thousand, two hundred forty-one".