258442733 has 8 divisors (see below), whose sum is σ = 262241280. Its totient is φ = 254657520.

The previous prime is 258442729. The next prime is 258442747. The reversal of 258442733 is 337244852.

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 258442733 - 2² = 258442729 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258442763) 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, 39716 + ... + 45762.

It is an arithmetic number, because the mean of its divisors is an integer number (32780160).

Almost surely, 2^258442733 is an apocalyptic number.

It is an amenable number.

258442733 is a deficient number, since it is larger than the sum of its proper divisors (3798547).

258442733 is an equidigital number, since it uses as much as digits as its factorization.

258442733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667.

The product of its digits is 161280, while the sum is 38.

The square root of 258442733 is about 16076.1541731846. The cubic root of 258442733 is about 636.9736127940.

The spelling of 258442733 in words is "two hundred fifty-eight million, four hundred forty-two thousand, seven hundred thirty-three".