258941797 has 6 divisors (see below), whose sum is σ = 270690182. Its totient is φ = 247682952.

The previous prime is 258941777. The next prime is 258941803. The reversal of 258941797 is 797149852.

It can be written as a sum of positive squares in only one way, i.e., 211964481 + 46977316 = 14559^2 + 6854^2 .

It is not a de Polignac number, because 258941797 - 2¹¹ = 258939749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258941707) 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 5 ways as a sum of consecutive naturals, for example, 244218 + ... + 245275.

Almost surely, 2^258941797 is an apocalyptic number.

It is an amenable number.

258941797 is a deficient number, since it is larger than the sum of its proper divisors (11748385).

258941797 is an equidigital number, since it uses as much as digits as its factorization.

258941797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489539 (or 489516 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 52.

The square root of 258941797 is about 16091.6685586051. The cubic root of 258941797 is about 637.3833569496.

The spelling of 258941797 in words is "two hundred fifty-eight million, nine hundred forty-one thousand, seven hundred ninety-seven".