578030993 has 2 divisors, whose sum is σ = 578030994. Its totient is φ = 578030992.

The previous prime is 578030989. The next prime is 578031017. The reversal of 578030993 is 399030875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537173329 + 40857664 = 23177^2 + 6392^2 .

It is a cyclic number.

It is not a de Polignac number, because 578030993 - 2² = 578030989 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (578030903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289015496 + 289015497.

It is an arithmetic number, because the mean of its divisors is an integer number (289015497).

Almost surely, 2^578030993 is an apocalyptic number.

It is an amenable number.

578030993 is a deficient number, since it is larger than the sum of its proper divisors (1).

578030993 is an equidigital number, since it uses as much as digits as its factorization.

578030993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 578030993 is about 24042.2751211278. The cubic root of 578030993 is about 833.0103069965.

The spelling of 578030993 in words is "five hundred seventy-eight million, thirty thousand, nine hundred ninety-three".