539085397 has 2 divisors, whose sum is σ = 539085398. Its totient is φ = 539085396.

The previous prime is 539085383. The next prime is 539085451. The reversal of 539085397 is 793580935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538657681 + 427716 = 23209^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 539085397 - 2²⁷ = 404867669 is a prime.

It is a super-2 number, since 2×539085397² = 581226130517295218, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 539085397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539085307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269542698 + 269542699.

It is an arithmetic number, because the mean of its divisors is an integer number (269542699).

Almost surely, 2^539085397 is an apocalyptic number.

It is an amenable number.

539085397 is a deficient number, since it is larger than the sum of its proper divisors (1).

539085397 is an equidigital number, since it uses as much as digits as its factorization.

539085397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 539085397 is about 23218.2126142388. The cubic root of 539085397 is about 813.8652817517.

The spelling of 539085397 in words is "five hundred thirty-nine million, eighty-five thousand, three hundred ninety-seven".