255470257 has 16 divisors (see below), whose sum is σ = 312380800. Its totient is φ = 204042240.

The previous prime is 255470233. The next prime is 255470261. The reversal of 255470257 is 752074552.

It is a cyclic number.

It is not a de Polignac number, because 255470257 - 2¹⁹ = 254945969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255470227) 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, 7632 + ... + 23857.

It is an arithmetic number, because the mean of its divisors is an integer number (19523800).

Almost surely, 2^255470257 is an apocalyptic number.

It is an amenable number.

255470257 is a deficient number, since it is larger than the sum of its proper divisors (56910543).

255470257 is a wasteful number, since it uses less digits than its factorization.

255470257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31576.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 255470257 is about 15983.4369583016. The cubic root of 255470257 is about 634.5221419849.

The spelling of 255470257 in words is "two hundred fifty-five million, four hundred seventy thousand, two hundred fifty-seven".