258247897 has 8 divisors (see below), whose sum is σ = 263098080. Its totient is φ = 253413600.

The previous prime is 258247879. The next prime is 258247903. The reversal of 258247897 is 798742852.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 258247897 - 2¹¹ = 258245849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258247837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31818 + ... + 39100.

It is an arithmetic number, because the mean of its divisors is an integer number (32887260).

Almost surely, 2^258247897 is an apocalyptic number.

It is an amenable number.

258247897 is a deficient number, since it is larger than the sum of its proper divisors (4850183).

258247897 is an equidigital number, since it uses as much as digits as its factorization.

258247897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7943.

The product of its digits is 2257920, while the sum is 52.

The square root of 258247897 is about 16070.0932480182. The cubic root of 258247897 is about 636.8135043508.

The spelling of 258247897 in words is "two hundred fifty-eight million, two hundred forty-seven thousand, eight hundred ninety-seven".