258512028 has 24 divisors (see below), whose sum is σ = 603593088. Its totient is φ = 86113776.

The previous prime is 258512027. The next prime is 258512029. The reversal of 258512028 is 820215852.

258512028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (258512027) and next prime (258512029).

It is a self number, because there is not a number n which added to its sum of digits gives 258512028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258512027) 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, 14425 + ... + 26927.

It is an arithmetic number, because the mean of its divisors is an integer number (25149712).

Almost surely, 2^258512028 is an apocalyptic number.

It is an amenable number.

258512028 is an abundant number, since it is smaller than the sum of its proper divisors (345081060).

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

258512028 is a wasteful number, since it uses less digits than its factorization.

258512028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14233 (or 14231 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 258512028 is about 16078.3092394692. The cubic root of 258512028 is about 637.0305372580.

The spelling of 258512028 in words is "two hundred fifty-eight million, five hundred twelve thousand, twenty-eight".