315224491 has 8 divisors (see below), whose sum is σ = 317077200. Its totient is φ = 313377792.

The previous prime is 315224473. The next prime is 315224501. The reversal of 315224491 is 194422513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315224491 - 2⁷ = 315224363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315224401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139416 + ... + 141658.

It is an arithmetic number, because the mean of its divisors is an integer number (39634650).

Almost surely, 2^315224491 is an apocalyptic number.

315224491 is a deficient number, since it is larger than the sum of its proper divisors (1852709).

315224491 is a wasteful number, since it uses less digits than its factorization.

315224491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005.

The product of its digits is 8640, while the sum is 31.

The square root of 315224491 is about 17754.5625403725. The cubic root of 315224491 is about 680.5708089212.

The spelling of 315224491 in words is "three hundred fifteen million, two hundred twenty-four thousand, four hundred ninety-one".