255963590 has 16 divisors (see below), whose sum is σ = 475597440. Its totient is φ = 99082560.

The previous prime is 255963583. The next prime is 255963647. The reversal of 255963590 is 95369552.

255963590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412535 + ... + 413154.

It is an arithmetic number, because the mean of its divisors is an integer number (29724840).

Almost surely, 2^255963590 is an apocalyptic number.

255963590 is a deficient number, since it is larger than the sum of its proper divisors (219633850).

255963590 is a wasteful number, since it uses less digits than its factorization.

255963590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825727.

The product of its (nonzero) digits is 364500, while the sum is 44.

The square root of 255963590 is about 15998.8621470403. The cubic root of 255963590 is about 634.9303166140.

The spelling of 255963590 in words is "two hundred fifty-five million, nine hundred sixty-three thousand, five hundred ninety".