255273633 has 8 divisors (see below), whose sum is σ = 378183200. Its totient is φ = 170182404.

The previous prime is 255273583. The next prime is 255273637. The reversal of 255273633 is 336372552.

255273633 is a `hidden beast` number, since 2 + 552 + 73 + 6 + 33 = 666.

It is not a de Polignac number, because 255273633 - 2¹⁰ = 255272609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255273637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4727263 + ... + 4727316.

It is an arithmetic number, because the mean of its divisors is an integer number (47272900).

Almost surely, 2^255273633 is an apocalyptic number.

It is an amenable number.

255273633 is a deficient number, since it is larger than the sum of its proper divisors (122909567).

255273633 is an equidigital number, since it uses as much as digits as its factorization.

255273633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9454588 (or 9454582 counting only the distinct ones).

The product of its digits is 113400, while the sum is 36.

The square root of 255273633 is about 15977.2849070172. The cubic root of 255273633 is about 634.3593124580.

The spelling of 255273633 in words is "two hundred fifty-five million, two hundred seventy-three thousand, six hundred thirty-three".