255236473 has 4 divisors (see below), whose sum is σ = 255334288. Its totient is φ = 255138660.

The previous prime is 255236467. The next prime is 255236477. The reversal of 255236473 is 374632552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255236473 - 2⁵ = 255236441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255236477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44883 + ... + 50248.

It is an arithmetic number, because the mean of its divisors is an integer number (63833572).

Almost surely, 2^255236473 is an apocalyptic number.

It is an amenable number.

255236473 is a deficient number, since it is larger than the sum of its proper divisors (97815).

255236473 is an equidigital number, since it uses as much as digits as its factorization.

255236473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97814.

The product of its digits is 151200, while the sum is 37.

The square root of 255236473 is about 15976.1219637307. The cubic root of 255236473 is about 634.3285298873.

The spelling of 255236473 in words is "two hundred fifty-five million, two hundred thirty-six thousand, four hundred seventy-three".