571541 has 2 divisors, whose sum is σ = 571542. Its totient is φ = 571540.

The previous prime is 571531. The next prime is 571579. The reversal of 571541 is 145175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 568516 + 3025 = 754^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 571541 - 2⁶ = 571477 is a prime.

It is a super-2 number, since 2×571541² = 653318229362, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (571531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285770 + 285771.

It is an arithmetic number, because the mean of its divisors is an integer number (285771).

2⁵⁷¹⁵⁴¹ is an apocalyptic number.

It is an amenable number.

571541 is a deficient number, since it is larger than the sum of its proper divisors (1).

571541 is an equidigital number, since it uses as much as digits as its factorization.

571541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 700, while the sum is 23.

The square root of 571541 is about 756.0033068711. The cubic root of 571541 is about 82.9880952588.

The spelling of 571541 in words is "five hundred seventy-one thousand, five hundred forty-one".