258005000 has 80 divisors (see below), whose sum is σ = 659601360. Its totient is φ = 93800000.

The previous prime is 258004993. The next prime is 258005017. The reversal of 258005000 is 500852.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52655 + ... + 57345.

It is an arithmetic number, because the mean of its divisors is an integer number (8245017).

Almost surely, 2^258005000 is an apocalyptic number.

258005000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258005000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329800680).

258005000 is an abundant number, since it is smaller than the sum of its proper divisors (401596360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258005000 is a wasteful number, since it uses less digits than its factorization.

258005000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728 (or 4709 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 258005000 is about 16062.5340466565. The cubic root of 258005000 is about 636.6137884807.

Adding to 258005000 its reverse (500852), we get a palindrome (258505852).

The spelling of 258005000 in words is "two hundred fifty-eight million, five thousand".