258325128 has 48 divisors (see below), whose sum is σ = 711500400. Its totient is φ = 84647520.

The previous prime is 258325117. The next prime is 258325129. The reversal of 258325128 is 821523852.

258325128 is a `hidden beast` number, since 2 + 583 + 2 + 51 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 258325092 and 258325101.

It is not an unprimeable number, because it can be changed into a prime (258325129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26158 + ... + 34653.

It is an arithmetic number, because the mean of its divisors is an integer number (14822925).

Almost surely, 2^258325128 is an apocalyptic number.

It is an amenable number.

258325128 is an abundant number, since it is smaller than the sum of its proper divisors (453175272).

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

258325128 is a wasteful number, since it uses less digits than its factorization.

258325128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60882 (or 60875 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 258325128 is about 16072.4960102655. The cubic root of 258325128 is about 636.8769793328.

The spelling of 258325128 in words is "two hundred fifty-eight million, three hundred twenty-five thousand, one hundred twenty-eight".