258206193 has 12 divisors (see below), whose sum is σ = 426245248. Its totient is φ = 147546360.

The previous prime is 258206189. The next prime is 258206209. The reversal of 258206193 is 391602852.

It is not a de Polignac number, because 258206193 - 2² = 258206189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (258206293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2049193 + ... + 2049318.

Almost surely, 2^258206193 is an apocalyptic number.

It is an amenable number.

258206193 is a deficient number, since it is larger than the sum of its proper divisors (168039055).

258206193 is a wasteful number, since it uses less digits than its factorization.

258206193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098524 (or 4098521 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 258206193 is about 16068.7956300402. The cubic root of 258206193 is about 636.7792232067.

The spelling of 258206193 in words is "two hundred fifty-eight million, two hundred six thousand, one hundred ninety-three".