500423533 has 2 divisors, whose sum is σ = 500423534. Its totient is φ = 500423532.

The previous prime is 500423531. The next prime is 500423597. The reversal of 500423533 is 335324005.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475152804 + 25270729 = 21798^2 + 5027^2 .

It is a cyclic number.

It is not a de Polignac number, because 500423533 - 2¹ = 500423531 is a prime.

Together with 500423531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 500423498 and 500423507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500423531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250211766 + 250211767.

It is an arithmetic number, because the mean of its divisors is an integer number (250211767).

Almost surely, 2^500423533 is an apocalyptic number.

It is an amenable number.

500423533 is a deficient number, since it is larger than the sum of its proper divisors (1).

500423533 is an equidigital number, since it uses as much as digits as its factorization.

500423533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 500423533 is about 22370.1482561024. The cubic root of 500423533 is about 793.9245683130.

Adding to 500423533 its reverse (335324005), we get a palindrome (835747538).

The spelling of 500423533 in words is "five hundred million, four hundred twenty-three thousand, five hundred thirty-three".