315421363 has 2 divisors, whose sum is σ = 315421364. Its totient is φ = 315421362.

The previous prime is 315421361. The next prime is 315421367. The reversal of 315421363 is 363124513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315421363 - 2¹ = 315421361 is a prime.

Together with 315421361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (315421361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157710681 + 157710682.

It is an arithmetic number, because the mean of its divisors is an integer number (157710682).

Almost surely, 2^315421363 is an apocalyptic number.

315421363 is a deficient number, since it is larger than the sum of its proper divisors (1).

315421363 is an equidigital number, since it uses as much as digits as its factorization.

315421363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 315421363 is about 17760.1059399993. The cubic root of 315421363 is about 680.7124618875.

Adding to 315421363 its reverse (363124513), we get a palindrome (678545876).

The spelling of 315421363 in words is "three hundred fifteen million, four hundred twenty-one thousand, three hundred sixty-three".