258204239 has 8 divisors (see below), whose sum is σ = 267038208. Its totient is φ = 249401880.

The previous prime is 258204217. The next prime is 258204253. The reversal of 258204239 is 932402852.

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 258204239 - 2¹² = 258200143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 258204199 and 258204208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258204259) 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, 9344 + ... + 24570.

It is an arithmetic number, because the mean of its divisors is an integer number (33379776).

Almost surely, 2^258204239 is an apocalyptic number.

258204239 is a deficient number, since it is larger than the sum of its proper divisors (8833969).

258204239 is a wasteful number, since it uses less digits than its factorization.

258204239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 258204239 is about 16068.7348288532. The cubic root of 258204239 is about 636.7776169068. Note that the first 3 decimals are identical.

The spelling of 258204239 in words is "two hundred fifty-eight million, two hundred four thousand, two hundred thirty-nine".