571242541 has 4 divisors (see below), whose sum is σ = 573613084. Its totient is φ = 568872000.

The previous prime is 571242523. The next prime is 571242547. The reversal of 571242541 is 145242175.

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

It can be written as a sum of positive squares in 2 ways, for example, as 467813641 + 103428900 = 21629^2 + 10170^2 .

It is a cyclic number.

It is not a de Polignac number, because 571242541 - 2²³ = 562853933 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 (571242547) 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, 1184910 + ... + 1185391.

It is an arithmetic number, because the mean of its divisors is an integer number (143403271).

Almost surely, 2^571242541 is an apocalyptic number.

It is an amenable number.

571242541 is a deficient number, since it is larger than the sum of its proper divisors (2370543).

571242541 is a wasteful number, since it uses less digits than its factorization.

571242541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370542.

The product of its digits is 11200, while the sum is 31.

The square root of 571242541 is about 23900.6807643632. The cubic root of 571242541 is about 829.7364726841.

The spelling of 571242541 in words is "five hundred seventy-one million, two hundred forty-two thousand, five hundred forty-one".