315253403 has 4 divisors (see below), whose sum is σ = 326124240. Its totient is φ = 304382568.

The previous prime is 315253391. The next prime is 315253409. The reversal of 315253403 is 304352513.

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 315253403 - 2¹⁴ = 315237019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315253409) 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, 5435375 + ... + 5435432.

It is an arithmetic number, because the mean of its divisors is an integer number (81531060).

Almost surely, 2^315253403 is an apocalyptic number.

315253403 is a deficient number, since it is larger than the sum of its proper divisors (10870837).

315253403 is a wasteful number, since it uses less digits than its factorization.

315253403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10870836.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 315253403 is about 17755.3767349499. The cubic root of 315253403 is about 680.5916153224.

The spelling of 315253403 in words is "three hundred fifteen million, two hundred fifty-three thousand, four hundred three".