506394293 has 2 divisors, whose sum is σ = 506394294. Its totient is φ = 506394292.

The previous prime is 506394263. The next prime is 506394313. The reversal of 506394293 is 392493605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506340004 + 54289 = 22502^2 + 233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506394293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 506394293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506394253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253197146 + 253197147.

It is an arithmetic number, because the mean of its divisors is an integer number (253197147).

Almost surely, 2^506394293 is an apocalyptic number.

It is an amenable number.

506394293 is a deficient number, since it is larger than the sum of its proper divisors (1).

506394293 is an equidigital number, since it uses as much as digits as its factorization.

506394293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 506394293 is about 22503.2062826611. The cubic root of 506394293 is about 797.0696402832.

The spelling of 506394293 in words is "five hundred six million, three hundred ninety-four thousand, two hundred ninety-three".