506001493 has 2 divisors, whose sum is σ = 506001494. Its totient is φ = 506001492.

The previous prime is 506001439. The next prime is 506001533. The reversal of 506001493 is 394100605.

Together with previous prime (506001439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 503463844 + 2537649 = 22438^2 + 1593^2 .

It is a cyclic number.

It is not a de Polignac number, because 506001493 - 2⁹ = 506000981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506041493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253000746 + 253000747.

It is an arithmetic number, because the mean of its divisors is an integer number (253000747).

Almost surely, 2^506001493 is an apocalyptic number.

It is an amenable number.

506001493 is a deficient number, since it is larger than the sum of its proper divisors (1).

506001493 is an equidigital number, since it uses as much as digits as its factorization.

506001493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 506001493 is about 22494.4769443524. The cubic root of 506001493 is about 796.8634966080.

The spelling of 506001493 in words is "five hundred six million, one thousand, four hundred ninety-three".