258942611 has 2 divisors, whose sum is σ = 258942612. Its totient is φ = 258942610.

The previous prime is 258942601. The next prime is 258942641. The reversal of 258942611 is 116249852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258942611 - 2¹⁸ = 258680467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (258942601) 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, 129471305 + 129471306.

It is an arithmetic number, because the mean of its divisors is an integer number (129471306).

Almost surely, 2^258942611 is an apocalyptic number.

258942611 is a deficient number, since it is larger than the sum of its proper divisors (1).

258942611 is an equidigital number, since it uses as much as digits as its factorization.

258942611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 258942611 is about 16091.6938511768. The cubic root of 258942611 is about 637.3840248339.

The spelling of 258942611 in words is "two hundred fifty-eight million, nine hundred forty-two thousand, six hundred eleven".