258872257 has 8 divisors (see below), whose sum is σ = 296009216. Its totient is φ = 221774112.

The previous prime is 258872249. The next prime is 258872281. The reversal of 258872257 is 752278852.

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

It is not a de Polignac number, because 258872257 - 2³ = 258872249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258572257) 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, 6373 + ... + 23629.

It is an arithmetic number, because the mean of its divisors is an integer number (37001152).

Almost surely, 2^258872257 is an apocalyptic number.

It is an amenable number.

258872257 is a deficient number, since it is larger than the sum of its proper divisors (37136959).

258872257 is a wasteful number, since it uses less digits than its factorization.

258872257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19407.

The product of its digits is 627200, while the sum is 46.

The square root of 258872257 is about 16089.5076680425. The cubic root of 258872257 is about 637.3262944391.

The spelling of 258872257 in words is "two hundred fifty-eight million, eight hundred seventy-two thousand, two hundred fifty-seven".