573734891 has 2 divisors, whose sum is σ = 573734892. Its totient is φ = 573734890.

The previous prime is 573734881. The next prime is 573734897. The reversal of 573734891 is 198437375.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 573734891 - 2¹⁴ = 573718507 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (573734897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286867445 + 286867446.

It is an arithmetic number, because the mean of its divisors is an integer number (286867446).

Almost surely, 2^573734891 is an apocalyptic number.

573734891 is a deficient number, since it is larger than the sum of its proper divisors (1).

573734891 is an equidigital number, since it uses as much as digits as its factorization.

573734891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 573734891 is about 23952.7637445035. The cubic root of 573734891 is about 830.9414444451.

The spelling of 573734891 in words is "five hundred seventy-three million, seven hundred thirty-four thousand, eight hundred ninety-one".