505530539 has 2 divisors, whose sum is σ = 505530540. Its totient is φ = 505530538.

The previous prime is 505530527. The next prime is 505530551. The reversal of 505530539 is 935035505.

It is a balanced prime because it is at equal distance from previous prime (505530527) and next prime (505530551).

It is a cyclic number.

It is not a de Polignac number, because 505530539 - 2²⁸ = 237095083 is a prime.

It is a super-2 number, since 2×505530539² = 511122251723261042, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 505530499 and 505530508.

It is not a weakly prime, because it can be changed into another prime (505530569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252765269 + 252765270.

It is an arithmetic number, because the mean of its divisors is an integer number (252765270).

Almost surely, 2^505530539 is an apocalyptic number.

505530539 is a deficient number, since it is larger than the sum of its proper divisors (1).

505530539 is an equidigital number, since it uses as much as digits as its factorization.

505530539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50625, while the sum is 35.

The square root of 505530539 is about 22484.0062933633. The cubic root of 505530539 is about 796.6161965852.

The spelling of 505530539 in words is "five hundred five million, five hundred thirty thousand, five hundred thirty-nine".