581268 has 24 divisors (see below), whose sum is σ = 1380960. Its totient is φ = 190240.

The previous prime is 581263. The next prime is 581293. The reversal of 581268 is 862185.

581268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581261) by changing a digit.

581268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298 + ... + 1118.

It is an arithmetic number, because the mean of its divisors is an integer number (57540).

2⁵⁸¹²⁶⁸ is an apocalyptic number.

It is an amenable number.

581268 is an abundant number, since it is smaller than the sum of its proper divisors (799692).

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

581268 is a wasteful number, since it uses less digits than its factorization.

581268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 885 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 581268 is about 762.4093388725. The cubic root of 581268 is about 83.4562381992.

It can be divided in two parts, 58 and 1268, that added together give a triangular number (1326 = T₅₁).

The spelling of 581268 in words is "five hundred eighty-one thousand, two hundred sixty-eight".