506402893 has 2 divisors, whose sum is σ = 506402894. Its totient is φ = 506402892.

The previous prime is 506402879. The next prime is 506402909. The reversal of 506402893 is 398204605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491641929 + 14760964 = 22173^2 + 3842^2 .

It is a cyclic number.

It is not a de Polignac number, because 506402893 - 2⁵ = 506402861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506403893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253201446 + 253201447.

It is an arithmetic number, because the mean of its divisors is an integer number (253201447).

Almost surely, 2^506402893 is an apocalyptic number.

It is an amenable number.

506402893 is a deficient number, since it is larger than the sum of its proper divisors (1).

506402893 is an equidigital number, since it uses as much as digits as its factorization.

506402893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 506402893 is about 22503.3973657312. The cubic root of 506402893 is about 797.0741524194.

The spelling of 506402893 in words is "five hundred six million, four hundred two thousand, eight hundred ninety-three".