1315315 has 4 divisors (see below), whose sum is σ = 1578384. Its totient is φ = 1052248.

The previous prime is 1315309. The next prime is 1315367. The reversal of 1315315 is 5135131.

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 1315315 - 2⁵ = 1315283 is a prime.

It is a Duffinian number.

1315315 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1315292 and 1315301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131527 + ... + 131536.

It is an arithmetic number, because the mean of its divisors is an integer number (394596).

2^1315315 is an apocalyptic number.

1315315 is a deficient number, since it is larger than the sum of its proper divisors (263069).

1315315 is an equidigital number, since it uses as much as digits as its factorization.

1315315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263068.

The product of its digits is 225, while the sum is 19.

The square root of 1315315 is about 1146.8718324207. The cubic root of 1315315 is about 109.5661978183.

The spelling of 1315315 in words is "one million, three hundred fifteen thousand, three hundred fifteen".