765576013 has 2 divisors, whose sum is σ = 765576014. Its totient is φ = 765576012.

The previous prime is 765575989. The next prime is 765576023. The reversal of 765576013 is 310675567.

It is a happy number.

765576013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458730724 + 306845289 = 21418^2 + 17517^2 .

It is a cyclic number.

It is not a de Polignac number, because 765576013 - 2²⁹ = 228705101 is a prime.

It is a super-2 number, since 2×765576013² = 1172213263361952338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (765576023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382788006 + 382788007.

It is an arithmetic number, because the mean of its divisors is an integer number (382788007).

Almost surely, 2^765576013 is an apocalyptic number.

It is an amenable number.

765576013 is a deficient number, since it is larger than the sum of its proper divisors (1).

765576013 is an equidigital number, since it uses as much as digits as its factorization.

765576013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 765576013 is about 27669.0443094806. The cubic root of 765576013 is about 914.8069159703.

The spelling of 765576013 in words is "seven hundred sixty-five million, five hundred seventy-six thousand, thirteen".