573691 has 2 divisors, whose sum is σ = 573692. Its totient is φ = 573690.

The previous prime is 573679. The next prime is 573719. The reversal of 573691 is 196375.

573691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 573691 - 2⁹ = 573179 is a prime.

It is a Chen prime.

573691 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (573791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286845 + 286846.

It is an arithmetic number, because the mean of its divisors is an integer number (286846).

2⁵⁷³⁶⁹¹ is an apocalyptic number.

573691 is a deficient number, since it is larger than the sum of its proper divisors (1).

573691 is an equidigital number, since it uses as much as digits as its factorization.

573691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 31.

The square root of 573691 is about 757.4239235725. The cubic root of 573691 is about 83.0920254762.

The spelling of 573691 in words is "five hundred seventy-three thousand, six hundred ninety-one".