2558234 has 16 divisors (see below), whose sum is σ = 4406400. Its totient is φ = 1091184.

The previous prime is 2558233. The next prime is 2558239. The reversal of 2558234 is 4328552.

It is a super-2 number, since 2×2558234² = 13089122397512, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2558197 and 2558206.

It is not an unprimeable number, because it can be changed into a prime (2558233) 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, 4772 + ... + 5280.

It is an arithmetic number, because the mean of its divisors is an integer number (275400).

2^2558234 is an apocalyptic number.

2558234 is a deficient number, since it is larger than the sum of its proper divisors (1848166).

2558234 is a wasteful number, since it uses less digits than its factorization.

2558234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its digits is 9600, while the sum is 29.

The square root of 2558234 is about 1599.4480297903. The cubic root of 2558234 is about 136.7666120655.

The spelling of 2558234 in words is "two million, five hundred fifty-eight thousand, two hundred thirty-four".