255651575 has 12 divisors (see below), whose sum is σ = 327235008. Its totient is φ = 197923200.

The previous prime is 255651563. The next prime is 255651581. The reversal of 255651575 is 575156552.

It is not a de Polignac number, because 255651575 - 2⁶ = 255651511 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164162 + ... + 165711.

It is an arithmetic number, because the mean of its divisors is an integer number (27269584).

Almost surely, 2^255651575 is an apocalyptic number.

255651575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255651575 is a deficient number, since it is larger than the sum of its proper divisors (71583433).

255651575 is a wasteful number, since it uses less digits than its factorization.

255651575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329914 (or 329909 counting only the distinct ones).

The product of its digits is 262500, while the sum is 41.

The square root of 255651575 is about 15989.1080113933. The cubic root of 255651575 is about 634.6722221797.

The spelling of 255651575 in words is "two hundred fifty-five million, six hundred fifty-one thousand, five hundred seventy-five".