506020663 has 2 divisors, whose sum is σ = 506020664. Its totient is φ = 506020662.

The previous prime is 506020651. The next prime is 506020709. The reversal of 506020663 is 366020605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506020663 - 2¹³ = 506012471 is a prime.

It is a super-2 number, since 2×506020663² = 512113822765919138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506020633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253010331 + 253010332.

It is an arithmetic number, because the mean of its divisors is an integer number (253010332).

Almost surely, 2^506020663 is an apocalyptic number.

506020663 is a deficient number, since it is larger than the sum of its proper divisors (1).

506020663 is an equidigital number, since it uses as much as digits as its factorization.

506020663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 506020663 is about 22494.9030449122. The cubic root of 506020663 is about 796.8735596088.

The spelling of 506020663 in words is "five hundred six million, twenty thousand, six hundred sixty-three".