500013263 has 2 divisors, whose sum is σ = 500013264. Its totient is φ = 500013262.

The previous prime is 500013223. The next prime is 500013277. The reversal of 500013263 is 362310005.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500013263 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500013203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250006631 + 250006632.

It is an arithmetic number, because the mean of its divisors is an integer number (250006632).

Almost surely, 2^500013263 is an apocalyptic number.

500013263 is a deficient number, since it is larger than the sum of its proper divisors (1).

500013263 is an equidigital number, since it uses as much as digits as its factorization.

500013263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 500013263 is about 22360.9763427271. The cubic root of 500013263 is about 793.7075438221.

Adding to 500013263 its reverse (362310005), we get a palindrome (862323268).

The spelling of 500013263 in words is "five hundred million, thirteen thousand, two hundred sixty-three".