255930851 has 6 divisors (see below), whose sum is σ = 281312556. Its totient is φ = 232664300.

The previous prime is 255930847. The next prime is 255930859. The reversal of 255930851 is 158039552.

255930851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255930851 - 2² = 255930847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255930859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1057445 + ... + 1057686.

It is an arithmetic number, because the mean of its divisors is an integer number (46885426).

Almost surely, 2^255930851 is an apocalyptic number.

255930851 is a deficient number, since it is larger than the sum of its proper divisors (25381705).

255930851 is a wasteful number, since it uses less digits than its factorization.

255930851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115153 (or 2115142 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 255930851 is about 15997.8389478079. The cubic root of 255930851 is about 634.9032452248.

The spelling of 255930851 in words is "two hundred fifty-five million, nine hundred thirty thousand, eight hundred fifty-one".