265078967 has 2 divisors, whose sum is σ = 265078968. Its totient is φ = 265078966.

The previous prime is 265078949. The next prime is 265078969. The reversal of 265078967 is 769870562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265078967 - 2⁸ = 265078711 is a prime.

Together with 265078969, 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 (265078969) 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, 132539483 + 132539484.

It is an arithmetic number, because the mean of its divisors is an integer number (132539484).

Almost surely, 2^265078967 is an apocalyptic number.

265078967 is a deficient number, since it is larger than the sum of its proper divisors (1).

265078967 is an equidigital number, since it uses as much as digits as its factorization.

265078967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 265078967 is about 16281.2458675619. The cubic root of 265078967 is about 642.3796234685.

The spelling of 265078967 in words is "two hundred sixty-five million, seventy-eight thousand, nine hundred sixty-seven".