578698243 has 2 divisors, whose sum is σ = 578698244. Its totient is φ = 578698242.

The previous prime is 578698201. The next prime is 578698259. The reversal of 578698243 is 342896875.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-578698243 is a prime.

It is not a weakly prime, because it can be changed into another prime (578698843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289349121 + 289349122.

It is an arithmetic number, because the mean of its divisors is an integer number (289349122).

Almost surely, 2^578698243 is an apocalyptic number.

578698243 is a deficient number, since it is larger than the sum of its proper divisors (1).

578698243 is an equidigital number, since it uses as much as digits as its factorization.

578698243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 52.

The square root of 578698243 is about 24056.1477173715. The cubic root of 578698243 is about 833.3307121873.

The spelling of 578698243 in words is "five hundred seventy-eight million, six hundred ninety-eight thousand, two hundred forty-three".