581053871 has 4 divisors (see below), whose sum is σ = 581601552. Its totient is φ = 580506192.

The previous prime is 581053849. The next prime is 581053901. The reversal of 581053871 is 178350185.

581053871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 581053871 - 2²² = 576859567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581053841) 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, 272246 + ... + 274371.

It is an arithmetic number, because the mean of its divisors is an integer number (145400388).

Almost surely, 2^581053871 is an apocalyptic number.

581053871 is a deficient number, since it is larger than the sum of its proper divisors (547681).

581053871 is a wasteful number, since it uses less digits than its factorization.

581053871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547680.

The product of its (nonzero) digits is 33600, while the sum is 38.

The square root of 581053871 is about 24105.0590333233. The cubic root of 581053871 is about 834.4598899934.

The spelling of 581053871 in words is "five hundred eighty-one million, fifty-three thousand, eight hundred seventy-one".