265245667 has 2 divisors, whose sum is σ = 265245668. Its totient is φ = 265245666.

The previous prime is 265245647. The next prime is 265245671. The reversal of 265245667 is 766542562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265245667 - 2¹¹ = 265243619 is a prime.

It is not a weakly prime, because it can be changed into another prime (265245647) 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, 132622833 + 132622834.

It is an arithmetic number, because the mean of its divisors is an integer number (132622834).

Almost surely, 2^265245667 is an apocalyptic number.

265245667 is a deficient number, since it is larger than the sum of its proper divisors (1).

265245667 is an equidigital number, since it uses as much as digits as its factorization.

265245667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 43.

The square root of 265245667 is about 16286.3644500545. The cubic root of 265245667 is about 642.5142528393.

The spelling of 265245667 in words is "two hundred sixty-five million, two hundred forty-five thousand, six hundred sixty-seven".