761516461 has 2 divisors, whose sum is σ = 761516462. Its totient is φ = 761516460.

The previous prime is 761516449. The next prime is 761516507. The reversal of 761516461 is 164615167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 562875625 + 198640836 = 23725^2 + 14094^2 .

It is a cyclic number.

It is not a de Polignac number, because 761516461 - 2⁵ = 761516429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 761516461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (761513461) 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, 380758230 + 380758231.

It is an arithmetic number, because the mean of its divisors is an integer number (380758231).

Almost surely, 2^761516461 is an apocalyptic number.

It is an amenable number.

761516461 is a deficient number, since it is larger than the sum of its proper divisors (1).

761516461 is an equidigital number, since it uses as much as digits as its factorization.

761516461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 761516461 is about 27595.5877089074. The cubic root of 761516461 is about 913.1870943364.

The spelling of 761516461 in words is "seven hundred sixty-one million, five hundred sixteen thousand, four hundred sixty-one".