255098 has 4 divisors (see below), whose sum is σ = 382650. Its totient is φ = 127548.

The previous prime is 255097. The next prime is 255107. The reversal of 255098 is 890552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 134689 + 120409 = 367^2 + 347^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 255098.

It is not an unprimeable number, because it can be changed into a prime (255097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63773 + ... + 63776.

2²⁵⁵⁰⁹⁸ is an apocalyptic number.

255098 is a deficient number, since it is larger than the sum of its proper divisors (127552).

255098 is a wasteful number, since it uses less digits than its factorization.

255098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127551.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 255098 is about 505.0722720562. The cubic root of 255098 is about 63.4213795418.

The spelling of 255098 in words is "two hundred fifty-five thousand, ninety-eight".