578487073 has 2 divisors, whose sum is σ = 578487074. Its totient is φ = 578487072.

The previous prime is 578487071. The next prime is 578487097. The reversal of 578487073 is 370784875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377641489 + 200845584 = 19433^2 + 14172^2 .

It is a cyclic number.

It is not a de Polignac number, because 578487073 - 2¹ = 578487071 is a prime.

Together with 578487071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (578487071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289243536 + 289243537.

It is an arithmetic number, because the mean of its divisors is an integer number (289243537).

Almost surely, 2^578487073 is an apocalyptic number.

It is an amenable number.

578487073 is a deficient number, since it is larger than the sum of its proper divisors (1).

578487073 is an equidigital number, since it uses as much as digits as its factorization.

578487073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The square root of 578487073 is about 24051.7582101600. The cubic root of 578487073 is about 833.2293376180.

The spelling of 578487073 in words is "five hundred seventy-eight million, four hundred eighty-seven thousand, seventy-three".