258931241 has 4 divisors (see below), whose sum is σ = 258988800. Its totient is φ = 258873684.

The previous prime is 258931229. The next prime is 258931243. The reversal of 258931241 is 142139852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 258931241 - 2⁶ = 258931177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258931243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21401 + ... + 31238.

It is an arithmetic number, because the mean of its divisors is an integer number (64747200).

Almost surely, 2^258931241 is an apocalyptic number.

It is an amenable number.

258931241 is a deficient number, since it is larger than the sum of its proper divisors (57559).

258931241 is an equidigital number, since it uses as much as digits as its factorization.

258931241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57558.

The product of its digits is 17280, while the sum is 35.

The square root of 258931241 is about 16091.3405594438. The cubic root of 258931241 is about 637.3746956594.

The spelling of 258931241 in words is "two hundred fifty-eight million, nine hundred thirty-one thousand, two hundred forty-one".