520874293 has 2 divisors, whose sum is σ = 520874294. Its totient is φ = 520874292.

The previous prime is 520874287. The next prime is 520874327. The reversal of 520874293 is 392478025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486511249 + 34363044 = 22057^2 + 5862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520874293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520874213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260437146 + 260437147.

It is an arithmetic number, because the mean of its divisors is an integer number (260437147).

Almost surely, 2^520874293 is an apocalyptic number.

It is an amenable number.

520874293 is a deficient number, since it is larger than the sum of its proper divisors (1).

520874293 is an equidigital number, since it uses as much as digits as its factorization.

520874293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 520874293 is about 22822.6705930748. The cubic root of 520874293 is about 804.5955778843.

The spelling of 520874293 in words is "five hundred twenty million, eight hundred seventy-four thousand, two hundred ninety-three".