258212 has 6 divisors (see below), whose sum is σ = 451878. Its totient is φ = 129104.

The previous prime is 258211. The next prime is 258233. The reversal of 258212 is 212852.

258212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 139876 + 118336 = 374^2 + 344^2 .

It is not an unprimeable number, because it can be changed into a prime (258211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32273 + ... + 32280.

It is an arithmetic number, because the mean of its divisors is an integer number (75313).

2²⁵⁸²¹² is an apocalyptic number.

It is an amenable number.

258212 is a deficient number, since it is larger than the sum of its proper divisors (193666).

258212 is a wasteful number, since it uses less digits than its factorization.

258212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64557 (or 64555 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 258212 is about 508.1456484119. The cubic root of 258212 is about 63.6783996845.

The spelling of 258212 in words is "two hundred fifty-eight thousand, two hundred twelve".