255098881 has 2 divisors, whose sum is σ = 255098882. Its totient is φ = 255098880.

The previous prime is 255098873. The next prime is 255098891. The reversal of 255098881 is 188890552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250937281 + 4161600 = 15841^2 + 2040^2 .

It is a cyclic number.

It is not a de Polignac number, because 255098881 - 2³ = 255098873 is a prime.

It is a super-2 number, since 2×255098881² = 130150878174904322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255098861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127549440 + 127549441.

It is an arithmetic number, because the mean of its divisors is an integer number (127549441).

It is a Proth number, since it is equal to 7785 ⋅ 2¹⁵ + 1 and 7785 < 2¹⁵.

Almost surely, 2^255098881 is an apocalyptic number.

It is an amenable number.

255098881 is a deficient number, since it is larger than the sum of its proper divisors (1).

255098881 is an equidigital number, since it uses as much as digits as its factorization.

255098881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 46.

The square root of 255098881 is about 15971.8152067947. The cubic root of 255098881 is about 634.2145255184.

The spelling of 255098881 in words is "two hundred fifty-five million, ninety-eight thousand, eight hundred eighty-one".