1765327313 has 8 divisors (see below), whose sum is σ = 1817913768. Its totient is φ = 1712997504.

The previous prime is 1765327301. The next prime is 1765327321. The reversal of 1765327313 is 3137235671.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 652904704 + 1112422609 = 25552^2 + 33353^2 .

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 1765327313 - 2²⁶ = 1698218449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1765327013) 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, 50156 + ... + 77757.

It is an arithmetic number, because the mean of its divisors is an integer number (227239221).

Almost surely, 2^1765327313 is an apocalyptic number.

It is an amenable number.

1765327313 is a deficient number, since it is larger than the sum of its proper divisors (52586455).

1765327313 is a wasteful number, since it uses less digits than its factorization.

1765327313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128323.

The product of its digits is 79380, while the sum is 38.

The square root of 1765327313 is about 42015.7983739450. The cubic root of 1765327313 is about 1208.5791013979.

The spelling of 1765327313 in words is "one billion, seven hundred sixty-five million, three hundred twenty-seven thousand, three hundred thirteen".