264895559 has 2 divisors, whose sum is σ = 264895560. Its totient is φ = 264895558.

The previous prime is 264895529. The next prime is 264895573. The reversal of 264895559 is 955598462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264895559 - 2⁸ = 264895303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264895559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264895529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132447779 + 132447780.

It is an arithmetic number, because the mean of its divisors is an integer number (132447780).

Almost surely, 2^264895559 is an apocalyptic number.

264895559 is a deficient number, since it is larger than the sum of its proper divisors (1).

264895559 is an equidigital number, since it uses as much as digits as its factorization.

264895559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888000, while the sum is 53.

The square root of 264895559 is about 16275.6124001526. The cubic root of 264895559 is about 642.2314352431.

The spelling of 264895559 in words is "two hundred sixty-four million, eight hundred ninety-five thousand, five hundred fifty-nine".