765130901 has 2 divisors, whose sum is σ = 765130902. Its totient is φ = 765130900.

The previous prime is 765130837. The next prime is 765130913. The reversal of 765130901 is 109031567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 621754225 + 143376676 = 24935^2 + 11974^2 .

It is an emirp because it is prime and its reverse (109031567) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 765130901 - 2⁶ = 765130837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (765130801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382565450 + 382565451.

It is an arithmetic number, because the mean of its divisors is an integer number (382565451).

Almost surely, 2^765130901 is an apocalyptic number.

It is an amenable number.

765130901 is a deficient number, since it is larger than the sum of its proper divisors (1).

765130901 is an equidigital number, since it uses as much as digits as its factorization.

765130901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 765130901 is about 27660.9996384802. Note that the first 3 decimals coincide. The cubic root of 765130901 is about 914.6295895871.

The spelling of 765130901 in words is "seven hundred sixty-five million, one hundred thirty thousand, nine hundred one".