1315523 has 8 divisors (see below), whose sum is σ = 1460160. Its totient is φ = 1175080.

The previous prime is 1315519. The next prime is 1315537. The reversal of 1315523 is 3255131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1315523 - 2² = 1315519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1315495 and 1315504.

It is not an unprimeable number, because it can be changed into a prime (1315543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (182520).

2^1315523 is an apocalyptic number.

1315523 is a deficient number, since it is larger than the sum of its proper divisors (144637).

1315523 is a wasteful number, since it uses less digits than its factorization.

1315523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097.

The product of its digits is 450, while the sum is 20.

The square root of 1315523 is about 1146.9625102853. The cubic root of 1315523 is about 109.5719730047.

The spelling of 1315523 in words is "one million, three hundred fifteen thousand, five hundred twenty-three".