578481539 has 2 divisors, whose sum is σ = 578481540. Its totient is φ = 578481538.

The previous prime is 578481523. The next prime is 578481583. The reversal of 578481539 is 935184875.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 578481539 - 2⁴ = 578481523 is a prime.

It is not a weakly prime, because it can be changed into another prime (578483539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289240769 + 289240770.

It is an arithmetic number, because the mean of its divisors is an integer number (289240770).

Almost surely, 2^578481539 is an apocalyptic number.

578481539 is a deficient number, since it is larger than the sum of its proper divisors (1).

578481539 is an equidigital number, since it uses as much as digits as its factorization.

578481539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 50.

The square root of 578481539 is about 24051.6431663203. The cubic root of 578481539 is about 833.2266806264.

The spelling of 578481539 in words is "five hundred seventy-eight million, four hundred eighty-one thousand, five hundred thirty-nine".