315421254 has 24 divisors (see below), whose sum is σ = 699307752. Its totient is φ = 102695040.

The previous prime is 315421237. The next prime is 315421273. The reversal of 315421254 is 452124513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202987 + ... + 204534.

It is an arithmetic number, because the mean of its divisors is an integer number (29137823).

Almost surely, 2^315421254 is an apocalyptic number.

315421254 is an abundant number, since it is smaller than the sum of its proper divisors (383886498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315421254 is a wasteful number, since it uses less digits than its factorization.

315421254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407572 (or 407569 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 315421254 is about 17760.1028713237. The cubic root of 315421254 is about 680.7123834764.

Adding to 315421254 its reverse (452124513), we get a palindrome (767545767).

The spelling of 315421254 in words is "three hundred fifteen million, four hundred twenty-one thousand, two hundred fifty-four".