255030705 has 24 divisors (see below), whose sum is σ = 442478400. Its totient is φ = 135885600.

The previous prime is 255030689. The next prime is 255030731. The reversal of 255030705 is 507030552.

It is not a de Polignac number, because 255030705 - 2⁴ = 255030689 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 60930 + ... + 64980.

It is an arithmetic number, because the mean of its divisors is an integer number (18436600).

Almost surely, 2^255030705 is an apocalyptic number.

It is an amenable number.

255030705 is a deficient number, since it is larger than the sum of its proper divisors (187447695).

255030705 is a wasteful number, since it uses less digits than its factorization.

255030705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461 (or 5458 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 255030705 is about 15969.6808045746. The cubic root of 255030705 is about 634.1580218576.

The spelling of 255030705 in words is "two hundred fifty-five million, thirty thousand, seven hundred five".