258290 has 16 divisors (see below), whose sum is σ = 485568. Its totient is φ = 98736.

The previous prime is 258283. The next prime is 258299. The reversal of 258290 is 92852.

258290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258299) 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 in 7 ways as a sum of consecutive naturals, for example, 332 + ... + 791.

It is an arithmetic number, because the mean of its divisors is an integer number (30348).

2²⁵⁸²⁹⁰ is an apocalyptic number.

258290 is a deficient number, since it is larger than the sum of its proper divisors (227278).

258290 is a wasteful number, since it uses less digits than its factorization.

258290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 258290 is about 508.2223922654. Note that the first 3 decimals coincide. The cubic root of 258290 is about 63.6848109734.

The spelling of 258290 in words is "two hundred fifty-eight thousand, two hundred ninety".