265921067 has 2 divisors, whose sum is σ = 265921068. Its totient is φ = 265921066.

The previous prime is 265921049. The next prime is 265921081. The reversal of 265921067 is 760129562.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265921067 - 2⁶ = 265921003 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265921067.

It is not a weakly prime, because it can be changed into another prime (265921027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132960533 + 132960534.

It is an arithmetic number, because the mean of its divisors is an integer number (132960534).

Almost surely, 2^265921067 is an apocalyptic number.

265921067 is a deficient number, since it is larger than the sum of its proper divisors (1).

265921067 is an equidigital number, since it uses as much as digits as its factorization.

265921067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 265921067 is about 16307.0864043826. The cubic root of 265921067 is about 643.0591392999.

The spelling of 265921067 in words is "two hundred sixty-five million, nine hundred twenty-one thousand, sixty-seven".