258254834 has 4 divisors (see below), whose sum is σ = 387382254. Its totient is φ = 129127416.

The previous prime is 258254819. The next prime is 258254839. The reversal of 258254834 is 438452852.

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., 147015625 + 111239209 = 12125^2 + 10547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 258254791 and 258254800.

It is not an unprimeable number, because it can be changed into a prime (258254839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64563707 + ... + 64563710.

Almost surely, 2^258254834 is an apocalyptic number.

258254834 is a deficient number, since it is larger than the sum of its proper divisors (129127420).

258254834 is a wasteful number, since it uses less digits than its factorization.

258254834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129127419.

The product of its digits is 307200, while the sum is 41.

The square root of 258254834 is about 16070.3090822797. The cubic root of 258254834 is about 636.8192062826.

The spelling of 258254834 in words is "two hundred fifty-eight million, two hundred fifty-four thousand, eight hundred thirty-four".