761517349 has 2 divisors, whose sum is σ = 761517350. Its totient is φ = 761517348.

The previous prime is 761517347. The next prime is 761517389. The reversal of 761517349 is 943715167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 700396225 + 61121124 = 26465^2 + 7818^2 .

It is a cyclic number.

It is not a de Polignac number, because 761517349 - 2¹ = 761517347 is a prime.

Together with 761517347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (761517347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380758674 + 380758675.

It is an arithmetic number, because the mean of its divisors is an integer number (380758675).

Almost surely, 2^761517349 is an apocalyptic number.

It is an amenable number.

761517349 is a deficient number, since it is larger than the sum of its proper divisors (1).

761517349 is an equidigital number, since it uses as much as digits as its factorization.

761517349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 761517349 is about 27595.6037984314. The cubic root of 761517349 is about 913.1874492903.

It can be divided in two parts, 7615 and 17349, that added together give a square (24964 = 158²).

The spelling of 761517349 in words is "seven hundred sixty-one million, five hundred seventeen thousand, three hundred forty-nine".