573685897 has 2 divisors, whose sum is σ = 573685898. Its totient is φ = 573685896.

The previous prime is 573685891. The next prime is 573685921. The reversal of 573685897 is 798586375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540841536 + 32844361 = 23256^2 + 5731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-573685897 is a prime.

It is not a weakly prime, because it can be changed into another prime (573685891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286842948 + 286842949.

It is an arithmetic number, because the mean of its divisors is an integer number (286842949).

Almost surely, 2^573685897 is an apocalyptic number.

It is an amenable number.

573685897 is a deficient number, since it is larger than the sum of its proper divisors (1).

573685897 is an equidigital number, since it uses as much as digits as its factorization.

573685897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12700800, while the sum is 58.

The square root of 573685897 is about 23951.7410014387. The cubic root of 573685897 is about 830.9177910675.

The spelling of 573685897 in words is "five hundred seventy-three million, six hundred eighty-five thousand, eight hundred ninety-seven".