539223449 has 2 divisors, whose sum is σ = 539223450. Its totient is φ = 539223448.

The previous prime is 539223413. The next prime is 539223463. The reversal of 539223449 is 944322935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 533933449 + 5290000 = 23107^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 539223449 - 2⁸ = 539223193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (539223409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269611724 + 269611725.

It is an arithmetic number, because the mean of its divisors is an integer number (269611725).

Almost surely, 2^539223449 is an apocalyptic number.

It is an amenable number.

539223449 is a deficient number, since it is larger than the sum of its proper divisors (1).

539223449 is an equidigital number, since it uses as much as digits as its factorization.

539223449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The square root of 539223449 is about 23221.1853487284. The cubic root of 539223449 is about 813.9347488781.

The spelling of 539223449 in words is "five hundred thirty-nine million, two hundred twenty-three thousand, four hundred forty-nine".