764513461 has 2 divisors, whose sum is σ = 764513462. Its totient is φ = 764513460.

The previous prime is 764513459. The next prime is 764513479. The reversal of 764513461 is 164315467.

764513461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 515063025 + 249450436 = 22695^2 + 15794^2 .

It is an emirp because it is prime and its reverse (164315467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 764513461 - 2¹ = 764513459 is a prime.

Together with 764513459, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 764513461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764513401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382256730 + 382256731.

It is an arithmetic number, because the mean of its divisors is an integer number (382256731).

Almost surely, 2^764513461 is an apocalyptic number.

It is an amenable number.

764513461 is a deficient number, since it is larger than the sum of its proper divisors (1).

764513461 is an equidigital number, since it uses as much as digits as its factorization.

764513461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 764513461 is about 27649.8365456290. The cubic root of 764513461 is about 914.3834962419.

The spelling of 764513461 in words is "seven hundred sixty-four million, five hundred thirteen thousand, four hundred sixty-one".