539440529 has 2 divisors, whose sum is σ = 539440530. Its totient is φ = 539440528.

The previous prime is 539440511. The next prime is 539440541. The reversal of 539440529 is 925044935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495151504 + 44289025 = 22252^2 + 6655^2 .

It is a cyclic number.

It is not a de Polignac number, because 539440529 - 2²⁸ = 271005073 is a prime.

It is not a weakly prime, because it can be changed into another prime (539440589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269720264 + 269720265.

It is an arithmetic number, because the mean of its divisors is an integer number (269720265).

Almost surely, 2^539440529 is an apocalyptic number.

It is an amenable number.

539440529 is a deficient number, since it is larger than the sum of its proper divisors (1).

539440529 is an equidigital number, since it uses as much as digits as its factorization.

539440529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 539440529 is about 23225.8590583858. The cubic root of 539440529 is about 814.0439585515.

The spelling of 539440529 in words is "five hundred thirty-nine million, four hundred forty thousand, five hundred twenty-nine".