255986073 has 48 divisors (see below), whose sum is σ = 437174400. Its totient is φ = 141315840.

The previous prime is 255986063. The next prime is 255986089. The reversal of 255986073 is 370689552.

It is a happy number.

It is not a de Polignac number, because 255986073 - 2⁵ = 255986041 is a prime.

It is a super-2 number, since 2×255986073² = 131057739139922658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255986063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226173 + ... + 227301.

It is an arithmetic number, because the mean of its divisors is an integer number (9107800).

Almost surely, 2^255986073 is an apocalyptic number.

It is an amenable number.

255986073 is a deficient number, since it is larger than the sum of its proper divisors (181188327).

255986073 is a wasteful number, since it uses less digits than its factorization.

255986073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 255986073 is about 15999.5647753306. The cubic root of 255986073 is about 634.9489061334.

The spelling of 255986073 in words is "two hundred fifty-five million, nine hundred eighty-six thousand, seventy-three".