566571541 has 2 divisors, whose sum is σ = 566571542. Its totient is φ = 566571540.

The previous prime is 566571539. The next prime is 566571553. The reversal of 566571541 is 145175665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350775441 + 215796100 = 18729^2 + 14690^2 .

It is a cyclic number.

It is not a de Polignac number, because 566571541 - 2¹ = 566571539 is a prime.

It is a super-2 number, since 2×566571541² = 642006622142229362, which contains 22 as substring.

Together with 566571539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 566571494 and 566571503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566572541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283285770 + 283285771.

It is an arithmetic number, because the mean of its divisors is an integer number (283285771).

Almost surely, 2^566571541 is an apocalyptic number.

It is an amenable number.

566571541 is a deficient number, since it is larger than the sum of its proper divisors (1).

566571541 is an equidigital number, since it uses as much as digits as its factorization.

566571541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 40.

The square root of 566571541 is about 23802.7633059693. The cubic root of 566571541 is about 827.4687196215.

The spelling of 566571541 in words is "five hundred sixty-six million, five hundred seventy-one thousand, five hundred forty-one".