506868533 has 2 divisors, whose sum is σ = 506868534. Its totient is φ = 506868532.

The previous prime is 506868511. The next prime is 506868613. The reversal of 506868533 is 335868605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506340004 + 528529 = 22502^2 + 727^2 .

It is a cyclic number.

It is not a de Polignac number, because 506868533 - 2¹² = 506864437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506862533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253434266 + 253434267.

It is an arithmetic number, because the mean of its divisors is an integer number (253434267).

Almost surely, 2^506868533 is an apocalyptic number.

It is an amenable number.

506868533 is a deficient number, since it is larger than the sum of its proper divisors (1).

506868533 is an equidigital number, since it uses as much as digits as its factorization.

506868533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 506868533 is about 22513.7409818981. The cubic root of 506868533 is about 797.3183821382.

The spelling of 506868533 in words is "five hundred six million, eight hundred sixty-eight thousand, five hundred thirty-three".