258413674 has 4 divisors (see below), whose sum is σ = 387620514. Its totient is φ = 129206836.

The previous prime is 258413663. The next prime is 258413677. The reversal of 258413674 is 476314852.

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

It can be written as a sum of positive squares in only one way, i.e., 248535225 + 9878449 = 15765^2 + 3143^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (258413677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64603417 + ... + 64603420.

Almost surely, 2^258413674 is an apocalyptic number.

258413674 is a deficient number, since it is larger than the sum of its proper divisors (129206840).

258413674 is a wasteful number, since it uses less digits than its factorization.

258413674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129206839.

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

The square root of 258413674 is about 16075.2503557487. The cubic root of 258413674 is about 636.9497383754.

The spelling of 258413674 in words is "two hundred fifty-eight million, four hundred thirteen thousand, six hundred seventy-four".