258241379 has 4 divisors (see below), whose sum is σ = 281717880. Its totient is φ = 234764880.

The previous prime is 258241367. The next prime is 258241391. The reversal of 258241379 is 973142852.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (258241367) and next prime (258241391).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258241379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258241349) 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, 11738234 + ... + 11738255.

It is an arithmetic number, because the mean of its divisors is an integer number (70429470).

Almost surely, 2^258241379 is an apocalyptic number.

258241379 is a deficient number, since it is larger than the sum of its proper divisors (23476501).

258241379 is a wasteful number, since it uses less digits than its factorization.

258241379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23476500.

The product of its digits is 120960, while the sum is 41.

The square root of 258241379 is about 16069.8904476664. The cubic root of 258241379 is about 636.8081467268.

The spelling of 258241379 in words is "two hundred fifty-eight million, two hundred forty-one thousand, three hundred seventy-nine".