255900653 has 4 divisors (see below), whose sum is σ = 256051068. Its totient is φ = 255750240.

The previous prime is 255900649. The next prime is 255900713. The reversal of 255900653 is 356009552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70341769 + 185558884 = 8387^2 + 13622^2 .

It is a cyclic number.

It is not a de Polignac number, because 255900653 - 2² = 255900649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255902653) 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, 72626 + ... + 76067.

It is an arithmetic number, because the mean of its divisors is an integer number (64012767).

Almost surely, 2^255900653 is an apocalyptic number.

It is an amenable number.

255900653 is a deficient number, since it is larger than the sum of its proper divisors (150415).

255900653 is a wasteful number, since it uses less digits than its factorization.

255900653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150414.

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 255900653 is about 15996.8951049883. The cubic root of 255900653 is about 634.8782729035.

The spelling of 255900653 in words is "two hundred fifty-five million, nine hundred thousand, six hundred fifty-three".