581879130 has 64 divisors (see below), whose sum is σ = 1601814528. Its totient is φ = 132517440.

The previous prime is 581879117. The next prime is 581879173. The reversal of 581879130 is 31978185.

581879130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54535 + ... + 64325.

It is an arithmetic number, because the mean of its divisors is an integer number (25028352).

Almost surely, 2^581879130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 581879130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800907264).

581879130 is an abundant number, since it is smaller than the sum of its proper divisors (1019935398).

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

581879130 is a wasteful number, since it uses less digits than its factorization.

581879130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 581879130 is about 24122.1709222035. The cubic root of 581879130 is about 834.8547585834.

It can be divided in two parts, 5818 and 79130, that added together give a palindrome (84948).

The spelling of 581879130 in words is "five hundred eighty-one million, eight hundred seventy-nine thousand, one hundred thirty".