258611020 has 12 divisors (see below), whose sum is σ = 543083184. Its totient is φ = 103444400.

The previous prime is 258610999. The next prime is 258611027. The reversal of 258611020 is 20116852.

258611020 is digitally balanced in base 3, 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 (258611027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6465256 + ... + 6465295.

It is an arithmetic number, because the mean of its divisors is an integer number (45256932).

Almost surely, 2^258611020 is an apocalyptic number.

258611020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258611020 is an abundant number, since it is smaller than the sum of its proper divisors (284472164).

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

258611020 is a wasteful number, since it uses less digits than its factorization.

258611020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12930560 (or 12930558 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 258611020 is about 16081.3873779597. The cubic root of 258611020 is about 637.1118395735. Note that the first 3 decimals are identical.

Adding to 258611020 its reverse (20116852), we get a palindrome (278727872).

The spelling of 258611020 in words is "two hundred fifty-eight million, six hundred eleven thousand, twenty".