258112238 has 16 divisors (see below), whose sum is σ = 405352080. Its totient is φ = 123102336.

The previous prime is 258112223. The next prime is 258112249. The reversal of 258112238 is 832211852.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21995 + ... + 31622.

It is an arithmetic number, because the mean of its divisors is an integer number (25334505).

Almost surely, 2^258112238 is an apocalyptic number.

258112238 is a deficient number, since it is larger than the sum of its proper divisors (147239842).

258112238 is a wasteful number, since it uses less digits than its factorization.

258112238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53731.

The product of its digits is 7680, while the sum is 32.

The square root of 258112238 is about 16065.8718406441. The cubic root of 258112238 is about 636.7019776413.

The spelling of 258112238 in words is "two hundred fifty-eight million, one hundred twelve thousand, two hundred thirty-eight".