265055159 has 2 divisors, whose sum is σ = 265055160. Its totient is φ = 265055158.

The previous prime is 265055123. The next prime is 265055171. The reversal of 265055159 is 951550562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265055159 - 2⁸ = 265054903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265055459) 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, 132527579 + 132527580.

It is an arithmetic number, because the mean of its divisors is an integer number (132527580).

Almost surely, 2^265055159 is an apocalyptic number.

265055159 is a deficient number, since it is larger than the sum of its proper divisors (1).

265055159 is an equidigital number, since it uses as much as digits as its factorization.

265055159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 38.

The square root of 265055159 is about 16280.5147031659. The cubic root of 265055159 is about 642.3603911718.

The spelling of 265055159 in words is "two hundred sixty-five million, fifty-five thousand, one hundred fifty-nine".