265567 has 2 divisors, whose sum is σ = 265568. Its totient is φ = 265566.

The previous prime is 265561. The next prime is 265571. The reversal of 265567 is 765562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265567 - 2¹¹ = 263519 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132783 + 132784.

It is an arithmetic number, because the mean of its divisors is an integer number (132784).

2²⁶⁵⁵⁶⁷ is an apocalyptic number.

265567 is a deficient number, since it is larger than the sum of its proper divisors (1).

265567 is an equidigital number, since it uses as much as digits as its factorization.

265567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 265567 is about 515.3319318653. The cubic root of 265567 is about 64.2773607017.

The spelling of 265567 in words is "two hundred sixty-five thousand, five hundred sixty-seven".