505730533 has 16 divisors (see below), whose sum is σ = 636773760. Its totient is φ = 390168000.

The previous prime is 505730527. The next prime is 505730551. The reversal of 505730533 is 335037505.

It is a cyclic number.

It is not a de Polignac number, because 505730533 - 2⁹ = 505730021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505730495 and 505730504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505730503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24738 + ... + 40291.

It is an arithmetic number, because the mean of its divisors is an integer number (39798360).

Almost surely, 2^505730533 is an apocalyptic number.

It is an amenable number.

505730533 is a deficient number, since it is larger than the sum of its proper divisors (131043227).

505730533 is a wasteful number, since it uses less digits than its factorization.

505730533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65148.

The product of its (nonzero) digits is 23625, while the sum is 31.

The square root of 505730533 is about 22488.4533260960. The cubic root of 505730533 is about 796.7212330717.

The spelling of 505730533 in words is "five hundred five million, seven hundred thirty thousand, five hundred thirty-three".