255531963 has 12 divisors (see below), whose sum is σ = 352866488. Its totient is φ = 164478720.

The previous prime is 255531961. The next prime is 255531971. The reversal of 255531963 is 369135552.

It is not a de Polignac number, because 255531963 - 2¹ = 255531961 is a prime.

It is a super-2 number, since 2×255531963² = 130593168229266738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255531961) 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 in 11 ways as a sum of consecutive naturals, for example, 48118 + ... + 53163.

Almost surely, 2^255531963 is an apocalyptic number.

255531963 is a deficient number, since it is larger than the sum of its proper divisors (97334525).

255531963 is a wasteful number, since it uses less digits than its factorization.

255531963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101342 (or 101313 counting only the distinct ones).

The product of its digits is 121500, while the sum is 39.

The square root of 255531963 is about 15985.3671524929. The cubic root of 255531963 is about 634.5732251284.

The spelling of 255531963 in words is "two hundred fifty-five million, five hundred thirty-one thousand, nine hundred sixty-three".