571969 has 2 divisors, whose sum is σ = 571970. Its totient is φ = 571968.

The previous prime is 571939. The next prime is 571973. The reversal of 571969 is 969175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506944 + 65025 = 712^2 + 255^2 .

It is a cyclic number.

It is not a de Polignac number, because 571969 - 2⁷ = 571841 is a prime.

It is a super-2 number, since 2×571969² = 654297073922, which contains 22 as substring.

It is a Chen prime.

571969 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (571939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285984 + 285985.

It is an arithmetic number, because the mean of its divisors is an integer number (285985).

2⁵⁷¹⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

571969 is a deficient number, since it is larger than the sum of its proper divisors (1).

571969 is an equidigital number, since it uses as much as digits as its factorization.

571969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 37.

The square root of 571969 is about 756.2863214418. The cubic root of 571969 is about 83.0088053754.

It can be divided in two parts, 571 and 969, that added together give a triangular number (1540 = T₅₅).

The spelling of 571969 in words is "five hundred seventy-one thousand, nine hundred sixty-nine".