255626513 has 16 divisors (see below), whose sum is σ = 276998400. Its totient is φ = 235105920.

The previous prime is 255626491. The next prime is 255626521. The reversal of 255626513 is 315626552.

255626513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 255626513 - 2¹² = 255622417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255626563) 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, 185495 + ... + 186867.

It is an arithmetic number, because the mean of its divisors is an integer number (17312400).

Almost surely, 2^255626513 is an apocalyptic number.

It is an amenable number.

255626513 is a deficient number, since it is larger than the sum of its proper divisors (21371887).

255626513 is a wasteful number, since it uses less digits than its factorization.

255626513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672.

The product of its digits is 54000, while the sum is 35.

The square root of 255626513 is about 15988.3242711674. The cubic root of 255626513 is about 634.6514821353.

The spelling of 255626513 in words is "two hundred fifty-five million, six hundred twenty-six thousand, five hundred thirteen".