506000263 has 2 divisors, whose sum is σ = 506000264. Its totient is φ = 506000262.

The previous prime is 506000251. The next prime is 506000269. The reversal of 506000263 is 362000605.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506000263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506000269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253000131 + 253000132.

It is an arithmetic number, because the mean of its divisors is an integer number (253000132).

Almost surely, 2^506000263 is an apocalyptic number.

506000263 is a deficient number, since it is larger than the sum of its proper divisors (1).

506000263 is an equidigital number, since it uses as much as digits as its factorization.

506000263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 506000263 is about 22494.4496042913. The cubic root of 506000263 is about 796.8628509295.

Adding to 506000263 its reverse (362000605), we get a palindrome (868000868).

The spelling of 506000263 in words is "five hundred six million, two hundred sixty-three", and thus it is an aban number.