571472021 has 8 divisors (see below), whose sum is σ = 585340800. Its totient is φ = 557629632.

The previous prime is 571472009. The next prime is 571472029. The reversal of 571472021 is 120274175.

571472021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 571472021 - 2¹⁴ = 571455637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (571472029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41405 + ... + 53453.

It is an arithmetic number, because the mean of its divisors is an integer number (73167600).

Almost surely, 2^571472021 is an apocalyptic number.

It is an amenable number.

571472021 is a deficient number, since it is larger than the sum of its proper divisors (13868779).

571472021 is a wasteful number, since it uses less digits than its factorization.

571472021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13195.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 571472021 is about 23905.4809824023. The cubic root of 571472021 is about 829.8475652707.

The spelling of 571472021 in words is "five hundred seventy-one million, four hundred seventy-two thousand, twenty-one".