258106231 has 4 divisors (see below), whose sum is σ = 258583864. Its totient is φ = 257628600.

The previous prime is 258106213. The next prime is 258106243. The reversal of 258106231 is 132601852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258106231 - 2⁷ = 258106103 is a prime.

It is a super-2 number, since 2×258106231² = 133237652962050722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 258106231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258106271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238005 + ... + 239086.

It is an arithmetic number, because the mean of its divisors is an integer number (64645966).

Almost surely, 2^258106231 is an apocalyptic number.

258106231 is a deficient number, since it is larger than the sum of its proper divisors (477633).

258106231 is an equidigital number, since it uses as much as digits as its factorization.

258106231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477632.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 258106231 is about 16065.6848904739. The cubic root of 258106231 is about 636.6970383192.

It can be divided in two parts, 25810 and 6231, that added together give a square (32041 = 179²).

The spelling of 258106231 in words is "two hundred fifty-eight million, one hundred six thousand, two hundred thirty-one".