761255269 has 2 divisors, whose sum is σ = 761255270. Its totient is φ = 761255268.

The previous prime is 761255267. The next prime is 761255309. The reversal of 761255269 is 962552167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 651780900 + 109474369 = 25530^2 + 10463^2 .

It is an emirp because it is prime and its reverse (962552167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 761255269 - 2¹ = 761255267 is a prime.

It is a super-2 number, since 2×761255269² = 1159019169160524722, which contains 22 as substring.

Together with 761255267, 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 (761255267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380627634 + 380627635.

It is an arithmetic number, because the mean of its divisors is an integer number (380627635).

Almost surely, 2^761255269 is an apocalyptic number.

It is an amenable number.

761255269 is a deficient number, since it is larger than the sum of its proper divisors (1).

761255269 is an equidigital number, since it uses as much as digits as its factorization.

761255269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 761255269 is about 27590.8548073451. The cubic root of 761255269 is about 913.0826779293.

The spelling of 761255269 in words is "seven hundred sixty-one million, two hundred fifty-five thousand, two hundred sixty-nine".