315055427 has 2 divisors, whose sum is σ = 315055428. Its totient is φ = 315055426.

The previous prime is 315055409. The next prime is 315055463. The reversal of 315055427 is 724550513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315055427 - 2²⁰ = 314006851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315055393 and 315055402.

It is not a weakly prime, because it can be changed into another prime (315052427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157527713 + 157527714.

It is an arithmetic number, because the mean of its divisors is an integer number (157527714).

Almost surely, 2^315055427 is an apocalyptic number.

315055427 is a deficient number, since it is larger than the sum of its proper divisors (1).

315055427 is an equidigital number, since it uses as much as digits as its factorization.

315055427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 315055427 is about 17749.8007594452. The cubic root of 315055427 is about 680.4491172351.

The spelling of 315055427 in words is "three hundred fifteen million, fifty-five thousand, four hundred twenty-seven".