516566041 has 4 divisors (see below), whose sum is σ = 516642084. Its totient is φ = 516490000.

The previous prime is 516565997. The next prime is 516566059. The reversal of 516566041 is 140665615.

It is a happy number.

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 31685641 + 484880400 = 5629^2 + 22020^2 .

It is a cyclic number.

It is not a de Polignac number, because 516566041 - 2⁹ = 516565529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516565988 and 516566006.

It is not an unprimeable number, because it can be changed into a prime (516566341) 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, 26710 + ... + 41791.

It is an arithmetic number, because the mean of its divisors is an integer number (129160521).

Almost surely, 2^516566041 is an apocalyptic number.

It is an amenable number.

516566041 is a deficient number, since it is larger than the sum of its proper divisors (76043).

516566041 is an equidigital number, since it uses as much as digits as its factorization.

516566041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76042.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 516566041 is about 22728.0892509687. The cubic root of 516566041 is about 802.3711116977.

The spelling of 516566041 in words is "five hundred sixteen million, five hundred sixty-six thousand, forty-one".