258285297 has 8 divisors (see below), whose sum is σ = 362505760. Its totient is φ = 163127520.

The previous prime is 258285241. The next prime is 258285299. The reversal of 258285297 is 792582852.

It is a happy number.

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

It is not a de Polignac number, because 258285297 - 2¹⁸ = 258023153 is a prime.

It is a super-2 number, since 2×258285297² = 133422589292756418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258285299) 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 7 ways as a sum of consecutive naturals, for example, 2265604 + ... + 2265717.

It is an arithmetic number, because the mean of its divisors is an integer number (45313220).

Almost surely, 2^258285297 is an apocalyptic number.

It is an amenable number.

258285297 is a deficient number, since it is larger than the sum of its proper divisors (104220463).

258285297 is a wasteful number, since it uses less digits than its factorization.

258285297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531343.

The product of its digits is 806400, while the sum is 48.

The square root of 258285297 is about 16071.2568581303. The cubic root of 258285297 is about 636.8442444209.

It can be divided in two parts, 25828 and 5297, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 258285297 in words is "two hundred fifty-eight million, two hundred eighty-five thousand, two hundred ninety-seven".