539386973 has 2 divisors, whose sum is σ = 539386974. Its totient is φ = 539386972.

The previous prime is 539386937. The next prime is 539387039. The reversal of 539386973 is 379683935.

Together with previous prime (539386937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382085209 + 157301764 = 19547^2 + 12542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539386973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539386933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269693486 + 269693487.

It is an arithmetic number, because the mean of its divisors is an integer number (269693487).

Almost surely, 2^539386973 is an apocalyptic number.

It is an amenable number.

539386973 is a deficient number, since it is larger than the sum of its proper divisors (1).

539386973 is an equidigital number, since it uses as much as digits as its factorization.

539386973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 53.

The square root of 539386973 is about 23224.7060907130. The cubic root of 539386973 is about 814.0170180586.

The spelling of 539386973 in words is "five hundred thirty-nine million, three hundred eighty-six thousand, nine hundred seventy-three".