1535040313 has 4 divisors (see below), whose sum is σ = 1625336820. Its totient is φ = 1444743808.

The previous prime is 1535040301. The next prime is 1535040317. The reversal of 1535040313 is 3130405351.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1372554304 + 162486009 = 37048^2 + 12747^2 .

It is a cyclic number.

It is not a de Polignac number, because 1535040313 - 2⁵ = 1535040281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1535040317) 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, 45148228 + ... + 45148261.

It is an arithmetic number, because the mean of its divisors is an integer number (406334205).

Almost surely, 2^1535040313 is an apocalyptic number.

It is an amenable number.

1535040313 is a deficient number, since it is larger than the sum of its proper divisors (90296507).

1535040313 is an equidigital number, since it uses as much as digits as its factorization.

1535040313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90296506.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1535040313 is about 39179.5905159817. The cubic root of 1535040313 is about 1153.5593096269.

Adding to 1535040313 its reverse (3130405351), we get a palindrome (4665445664).

The spelling of 1535040313 in words is "one billion, five hundred thirty-five million, forty thousand, three hundred thirteen".