265380719 has 2 divisors, whose sum is σ = 265380720. Its totient is φ = 265380718.

The previous prime is 265380701. The next prime is 265380721. The reversal of 265380719 is 917083562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265380719 - 2²⁰ = 264332143 is a prime.

It is a super-2 number, since 2×265380719² = 140853852033913922, which contains 22 as substring.

Together with 265380721, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265380749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132690359 + 132690360.

It is an arithmetic number, because the mean of its divisors is an integer number (132690360).

Almost surely, 2^265380719 is an apocalyptic number.

265380719 is a deficient number, since it is larger than the sum of its proper divisors (1).

265380719 is an equidigital number, since it uses as much as digits as its factorization.

265380719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 265380719 is about 16290.5100902335. The cubic root of 265380719 is about 642.6232814655.

The spelling of 265380719 in words is "two hundred sixty-five million, three hundred eighty thousand, seven hundred nineteen".