258255250 has 32 divisors (see below), whose sum is σ = 527409792. Its totient is φ = 93910000.

The previous prime is 258255241. The next prime is 258255251. The reversal of 258255250 is 52552852.

It is a happy number.

258255250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (258255251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44206 + ... + 49705.

It is an arithmetic number, because the mean of its divisors is an integer number (16481556).

Almost surely, 2^258255250 is an apocalyptic number.

258255250 is an abundant number, since it is smaller than the sum of its proper divisors (269154542).

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

258255250 is a wasteful number, since it uses less digits than its factorization.

258255250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93939 (or 93929 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The square root of 258255250 is about 16070.3220253982. The cubic root of 258255250 is about 636.8195482144.

The spelling of 258255250 in words is "two hundred fifty-eight million, two hundred fifty-five thousand, two hundred fifty".