255807473 has 8 divisors (see below), whose sum is σ = 263369568. Its totient is φ = 248318784.

The previous prime is 255807467. The next prime is 255807491. The reversal of 255807473 is 374708552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255807473 - 2⁸ = 255807217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255807473.

It is not an unprimeable number, because it can be changed into a prime (255804473) 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, 11240 + ... + 25257.

It is an arithmetic number, because the mean of its divisors is an integer number (32921196).

Almost surely, 2^255807473 is an apocalyptic number.

It is an amenable number.

255807473 is a deficient number, since it is larger than the sum of its proper divisors (7562095).

255807473 is a wasteful number, since it uses less digits than its factorization.

255807473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36703.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 255807473 is about 15993.9823996402. The cubic root of 255807473 is about 634.8012050537.

The spelling of 255807473 in words is "two hundred fifty-five million, eight hundred seven thousand, four hundred seventy-three".