258872111 has 2 divisors, whose sum is σ = 258872112. Its totient is φ = 258872110.

The previous prime is 258872077. The next prime is 258872123. The reversal of 258872111 is 111278852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258872111 is a prime.

It is equal to p_14137748 and since 258872111 and 14137748 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258872161) 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 as a sum of consecutive naturals, namely, 129436055 + 129436056.

It is an arithmetic number, because the mean of its divisors is an integer number (129436056).

Almost surely, 2^258872111 is an apocalyptic number.

258872111 is a deficient number, since it is larger than the sum of its proper divisors (1).

258872111 is an equidigital number, since it uses as much as digits as its factorization.

258872111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 35.

The square root of 258872111 is about 16089.5031309236. The cubic root of 258872111 is about 637.3261746250.

The spelling of 258872111 in words is "two hundred fifty-eight million, eight hundred seventy-two thousand, one hundred eleven".