255773243 has 16 divisors (see below), whose sum is σ = 290476800. Its totient is φ = 223080480.

The previous prime is 255773207. The next prime is 255773249. The reversal of 255773243 is 342377552.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 255773243 - 2¹² = 255769147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255773197 and 255773206.

It is not an unprimeable number, because it can be changed into a prime (255773249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49538 + ... + 54456.

It is an arithmetic number, because the mean of its divisors is an integer number (18154800).

Almost surely, 2^255773243 is an apocalyptic number.

255773243 is a deficient number, since it is larger than the sum of its proper divisors (34703557).

255773243 is a wasteful number, since it uses less digits than its factorization.

255773243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122.

The product of its digits is 176400, while the sum is 38.

The square root of 255773243 is about 15992.9122738793. The cubic root of 255773243 is about 634.7728892084.

The spelling of 255773243 in words is "two hundred fifty-five million, seven hundred seventy-three thousand, two hundred forty-three".