539145473 has 2 divisors, whose sum is σ = 539145474. Its totient is φ = 539145472.

The previous prime is 539145437. The next prime is 539145499. The reversal of 539145473 is 374541935.

Together with previous prime (539145437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291145969 + 247999504 = 17063^2 + 15748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539145473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 539145473.

It is not a weakly prime, because it can be changed into another prime (539145433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269572736 + 269572737.

It is an arithmetic number, because the mean of its divisors is an integer number (269572737).

Almost surely, 2^539145473 is an apocalyptic number.

It is an amenable number.

539145473 is a deficient number, since it is larger than the sum of its proper divisors (1).

539145473 is an equidigital number, since it uses as much as digits as its factorization.

539145473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 539145473 is about 23219.5063039678. The cubic root of 539145473 is about 813.8955131737.

The spelling of 539145473 in words is "five hundred thirty-nine million, one hundred forty-five thousand, four hundred seventy-three".