255583745 has 16 divisors (see below), whose sum is σ = 310815120. Its totient is φ = 201740544.

The previous prime is 255583733. The next prime is 255583771. The reversal of 255583745 is 547385552.

It can be written as a sum of positive squares in 8 ways, for example, as 10942864 + 244640881 = 3308^2 + 15641^2 .

It is a cyclic number.

It is not a de Polignac number, because 255583745 - 2⁶ = 255583681 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255583696 and 255583705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150119 + ... + 151811.

It is an arithmetic number, because the mean of its divisors is an integer number (19425945).

Almost surely, 2^255583745 is an apocalyptic number.

It is an amenable number.

255583745 is a deficient number, since it is larger than the sum of its proper divisors (55231375).

255583745 is a wasteful number, since it uses less digits than its factorization.

255583745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084.

The product of its digits is 840000, while the sum is 44.

The square root of 255583745 is about 15986.9867392201. The cubic root of 255583745 is about 634.6160863697.

The spelling of 255583745 in words is "two hundred fifty-five million, five hundred eighty-three thousand, seven hundred forty-five".