265941959 has 2 divisors, whose sum is σ = 265941960. Its totient is φ = 265941958.

The previous prime is 265941947. The next prime is 265941967. The reversal of 265941959 is 959149562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265941959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265941979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132970979 + 132970980.

It is an arithmetic number, because the mean of its divisors is an integer number (132970980).

Almost surely, 2^265941959 is an apocalyptic number.

265941959 is a deficient number, since it is larger than the sum of its proper divisors (1).

265941959 is an equidigital number, since it uses as much as digits as its factorization.

265941959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 50.

The square root of 265941959 is about 16307.7269722055. The cubic root of 265941959 is about 643.0759794345.

The spelling of 265941959 in words is "two hundred sixty-five million, nine hundred forty-one thousand, nine hundred fifty-nine".