258273238 has 8 divisors (see below), whose sum is σ = 387486288. Its totient is φ = 129111144.

The previous prime is 258273229. The next prime is 258273247. The reversal of 258273238 is 832372852.

It is an interprime number because it is at equal distance from previous prime (258273229) and next prime (258273247).

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

It is a self number, because there is not a number n which added to its sum of digits gives 258273238.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4720 + ... + 23212.

It is an arithmetic number, because the mean of its divisors is an integer number (48435786).

Almost surely, 2^258273238 is an apocalyptic number.

258273238 is a deficient number, since it is larger than the sum of its proper divisors (129213050).

258273238 is a wasteful number, since it uses less digits than its factorization.

258273238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25478.

The product of its digits is 161280, while the sum is 40.

The square root of 258273238 is about 16070.8816808537. The cubic root of 258273238 is about 636.8343331273.

The spelling of 258273238 in words is "two hundred fifty-eight million, two hundred seventy-three thousand, two hundred thirty-eight".