315201427 has 4 divisors (see below), whose sum is σ = 317683456. Its totient is φ = 312719400.

The previous prime is 315201401. The next prime is 315201449. The reversal of 315201427 is 724102513.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315201427 - 2²³ = 306812819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315201827) 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, 1240824 + ... + 1241077.

It is an arithmetic number, because the mean of its divisors is an integer number (79420864).

Almost surely, 2^315201427 is an apocalyptic number.

315201427 is a deficient number, since it is larger than the sum of its proper divisors (2482029).

315201427 is a wasteful number, since it uses less digits than its factorization.

315201427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482028.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 315201427 is about 17753.9130053067. The cubic root of 315201427 is about 680.5542100967.

The spelling of 315201427 in words is "three hundred fifteen million, two hundred one thousand, four hundred twenty-seven".