581078 has 4 divisors (see below), whose sum is σ = 871620. Its totient is φ = 290538.

The previous prime is 581071. The next prime is 581089. The reversal of 581078 is 870185.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 581078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145268 + ... + 145271.

It is an arithmetic number, because the mean of its divisors is an integer number (217905).

2⁵⁸¹⁰⁷⁸ is an apocalyptic number.

581078 is a deficient number, since it is larger than the sum of its proper divisors (290542).

581078 is a wasteful number, since it uses less digits than its factorization.

581078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290541.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 581078 is about 762.2847237089. The cubic root of 581078 is about 83.4471440502.

The spelling of 581078 in words is "five hundred eighty-one thousand, seventy-eight".