258025788 has 36 divisors (see below), whose sum is σ = 655527600. Its totient is φ = 85574016.

The previous prime is 258025787. The next prime is 258025837. The reversal of 258025788 is 887520852.

258025788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258025787) 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, 10845 + ... + 25172.

It is an arithmetic number, because the mean of its divisors is an integer number (18209100).

Almost surely, 2^258025788 is an apocalyptic number.

It is an amenable number.

258025788 is an abundant number, since it is smaller than the sum of its proper divisors (397501812).

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

258025788 is a wasteful number, since it uses less digits than its factorization.

258025788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36226 (or 36221 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 258025788 is about 16063.1811295272. The cubic root of 258025788 is about 636.6308857877.

The spelling of 258025788 in words is "two hundred fifty-eight million, twenty-five thousand, seven hundred eighty-eight".