1315533 has 8 divisors (see below), whose sum is σ = 1778368. Its totient is φ = 864864.

The previous prime is 1315519. The next prime is 1315537. The reversal of 1315533 is 3355131.

It is a happy number.

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

It is not a de Polignac number, because 1315533 - 2¹⁷ = 1184461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315537) 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, 2785 + ... + 3222.

It is an arithmetic number, because the mean of its divisors is an integer number (222296).

2^1315533 is an apocalyptic number.

It is an amenable number.

1315533 is a deficient number, since it is larger than the sum of its proper divisors (462835).

1315533 is an equidigital number, since it uses as much as digits as its factorization.

1315533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6083.

The product of its digits is 675, while the sum is 21.

The square root of 1315533 is about 1146.9668696174. The cubic root of 1315533 is about 109.5722506426.

The spelling of 1315533 in words is "one million, three hundred fifteen thousand, five hundred thirty-three".