258125800 has 24 divisors (see below), whose sum is σ = 600142950. Its totient is φ = 103250240.

The previous prime is 258125797. The next prime is 258125867. The reversal of 258125800 is 8521852.

It can be written as a sum of positive squares in 3 ways, for example, as 145298916 + 112826884 = 12054^2 + 10622^2 .

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 645115 + ... + 645514.

Almost surely, 2^258125800 is an apocalyptic number.

258125800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258125800 is an abundant number, since it is smaller than the sum of its proper divisors (342017150).

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

258125800 is a wasteful number, since it uses less digits than its factorization.

258125800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290645 (or 1290636 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 258125800 is about 16066.2939099221. The cubic root of 258125800 is about 636.7131288638.

The spelling of 258125800 in words is "two hundred fifty-eight million, one hundred twenty-five thousand, eight hundred".