258968029 has 2 divisors, whose sum is σ = 258968030. Its totient is φ = 258968028.

The previous prime is 258968009. The next prime is 258968137. The reversal of 258968029 is 920869852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203062500 + 55905529 = 14250^2 + 7477^2 .

It is a cyclic number.

It is not a de Polignac number, because 258968029 - 2⁷ = 258967901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258968009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129484014 + 129484015.

It is an arithmetic number, because the mean of its divisors is an integer number (129484015).

Almost surely, 2^258968029 is an apocalyptic number.

It is an amenable number.

258968029 is a deficient number, since it is larger than the sum of its proper divisors (1).

258968029 is an equidigital number, since it uses as much as digits as its factorization.

258968029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 258968029 is about 16092.4836181368. The cubic root of 258968029 is about 637.4048795155.

The spelling of 258968029 in words is "two hundred fifty-eight million, nine hundred sixty-eight thousand, twenty-nine".