255225773 has 4 divisors (see below), whose sum is σ = 278428128. Its totient is φ = 232023420.

The previous prime is 255225757. The next prime is 255225791. The reversal of 255225773 is 377522552.

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 255225773 - 2⁴ = 255225757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255225473) 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 3 ways as a sum of consecutive naturals, for example, 11601161 + ... + 11601182.

It is an arithmetic number, because the mean of its divisors is an integer number (69607032).

Almost surely, 2^255225773 is an apocalyptic number.

It is an amenable number.

255225773 is a deficient number, since it is larger than the sum of its proper divisors (23202355).

255225773 is a wasteful number, since it uses less digits than its factorization.

255225773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23202354.

The product of its digits is 147000, while the sum is 38.

The square root of 255225773 is about 15975.7870854615. The cubic root of 255225773 is about 634.3196656759.

The spelling of 255225773 in words is "two hundred fifty-five million, two hundred twenty-five thousand, seven hundred seventy-three".