258113249 has 2 divisors, whose sum is σ = 258113250. Its totient is φ = 258113248.

The previous prime is 258113231. The next prime is 258113281. The reversal of 258113249 is 942311852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209323024 + 48790225 = 14468^2 + 6985^2 .

It is a cyclic number.

It is not a de Polignac number, because 258113249 - 2⁸ = 258112993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (258113749) 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, 129056624 + 129056625.

It is an arithmetic number, because the mean of its divisors is an integer number (129056625).

Almost surely, 2^258113249 is an apocalyptic number.

It is an amenable number.

258113249 is a deficient number, since it is larger than the sum of its proper divisors (1).

258113249 is an equidigital number, since it uses as much as digits as its factorization.

258113249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 258113249 is about 16065.9033048254. The cubic root of 258113249 is about 636.7028089397.

The spelling of 258113249 in words is "two hundred fifty-eight million, one hundred thirteen thousand, two hundred forty-nine".