255526565 has 16 divisors (see below), whose sum is σ = 354378240. Its totient is φ = 173247360.

The previous prime is 255526559. The next prime is 255526571. The reversal of 255526565 is 565625552.

It is an interprime number because it is at equal distance from previous prime (255526559) and next prime (255526571).

It is not a de Polignac number, because 255526565 - 2¹⁰ = 255525541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37901 + ... + 44130.

It is an arithmetic number, because the mean of its divisors is an integer number (22148640).

Almost surely, 2^255526565 is an apocalyptic number.

It is an amenable number.

255526565 is a deficient number, since it is larger than the sum of its proper divisors (98851675).

255526565 is an equidigital number, since it uses as much as digits as its factorization.

255526565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82132.

The product of its digits is 450000, while the sum is 41.

The square root of 255526565 is about 15985.1983096864. The cubic root of 255526565 is about 634.5687567371.

The spelling of 255526565 in words is "two hundred fifty-five million, five hundred twenty-six thousand, five hundred sixty-five".