258275648 has 56 divisors (see below), whose sum is σ = 541812480. Its totient is φ = 121904640.

The previous prime is 258275639. The next prime is 258275681. The reversal of 258275648 is 846572852.

258275648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115178 + ... + 117398.

Almost surely, 2^258275648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258275648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270906240).

258275648 is an abundant number, since it is smaller than the sum of its proper divisors (283536832).

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

258275648 is a wasteful number, since it uses less digits than its factorization.

258275648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335 (or 2325 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 47.

The square root of 258275648 is about 16070.9566610081. The cubic root of 258275648 is about 636.8363139313.

The spelling of 258275648 in words is "two hundred fifty-eight million, two hundred seventy-five thousand, six hundred forty-eight".