258381500 has 96 divisors (see below), whose sum is σ = 614455296. Its totient is φ = 94348800.

The previous prime is 258381479. The next prime is 258381509. The reversal of 258381500 is 5183852.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258381509) 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 in 31 ways as a sum of consecutive naturals, for example, 825344 + ... + 825656.

It is an arithmetic number, because the mean of its divisors is an integer number (6400576).

Almost surely, 2^258381500 is an apocalyptic number.

258381500 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 258381500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307227648).

258381500 is an abundant number, since it is smaller than the sum of its proper divisors (356073796).

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

258381500 is a wasteful number, since it uses less digits than its factorization.

258381500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 258381500 is about 16074.2495936824. The cubic root of 258381500 is about 636.9233026336.

The spelling of 258381500 in words is "two hundred fifty-eight million, three hundred eighty-one thousand, five hundred".