571442 has 4 divisors (see below), whose sum is σ = 857166. Its totient is φ = 285720.

The previous prime is 571433. The next prime is 571453. The reversal of 571442 is 244175.

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

It can be written as a sum of positive squares in only one way, i.e., 474721 + 96721 = 689^2 + 311^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 571442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142859 + ... + 142862.

2⁵⁷¹⁴⁴² is an apocalyptic number.

571442 is a deficient number, since it is larger than the sum of its proper divisors (285724).

571442 is a wasteful number, since it uses less digits than its factorization.

571442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285723.

The product of its digits is 1120, while the sum is 23.

The square root of 571442 is about 755.9378281314. The cubic root of 571442 is about 82.9833033623.

The spelling of 571442 in words is "five hundred seventy-one thousand, four hundred forty-two".