255861298 has 16 divisors (see below), whose sum is σ = 478494144. Its totient is φ = 99686160.

The previous prime is 255861283. The next prime is 255861301. The reversal of 255861298 is 892168552.

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, 830565 + ... + 830872.

It is an arithmetic number, because the mean of its divisors is an integer number (29905884).

Almost surely, 2^255861298 is an apocalyptic number.

255861298 is a deficient number, since it is larger than the sum of its proper divisors (222632846).

255861298 is a wasteful number, since it uses less digits than its factorization.

255861298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661457.

The product of its digits is 345600, while the sum is 46.

The square root of 255861298 is about 15995.6649752363. The cubic root of 255861298 is about 634.8457252265.

The spelling of 255861298 in words is "two hundred fifty-five million, eight hundred sixty-one thousand, two hundred ninety-eight".