258274681 has 8 divisors (see below), whose sum is σ = 295271744. Its totient is φ = 221302800.

The previous prime is 258274661. The next prime is 258274769. The reversal of 258274681 is 186472852.

It is a happy number.

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 258274681 - 2⁷ = 258274553 is a prime.

It is a super-2 number, since 2×258274681² = 133411621691303522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258274631) 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, 28591 + ... + 36523.

It is an arithmetic number, because the mean of its divisors is an integer number (36908968).

Almost surely, 2^258274681 is an apocalyptic number.

It is an amenable number.

258274681 is a deficient number, since it is larger than the sum of its proper divisors (36997063).

258274681 is an equidigital number, since it uses as much as digits as its factorization.

258274681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12591.

The product of its digits is 215040, while the sum is 43.

The square root of 258274681 is about 16070.9265756521. The cubic root of 258274681 is about 636.8355191454.

The spelling of 258274681 in words is "two hundred fifty-eight million, two hundred seventy-four thousand, six hundred eighty-one".