201258 has 16 divisors (see below), whose sum is σ = 447360. Its totient is φ = 67068.

The previous prime is 201251. The next prime is 201281. The reversal of 201258 is 852102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201258.

It is not an unprimeable number, because it can be changed into a prime (201251) by changing a digit.

201258 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810 + ... + 1917.

It is an arithmetic number, because the mean of its divisors is an integer number (27960).

2²⁰¹²⁵⁸ is an apocalyptic number.

201258 is an abundant number, since it is smaller than the sum of its proper divisors (246102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201258 is a wasteful number, since it uses less digits than its factorization.

201258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738 (or 3732 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 201258 is about 448.6178774860. The cubic root of 201258 is about 58.6027123891.

The spelling of 201258 in words is "two hundred one thousand, two hundred fifty-eight".