520772839 has 2 divisors, whose sum is σ = 520772840. Its totient is φ = 520772838.

The previous prime is 520772827. The next prime is 520772869. The reversal of 520772839 is 938277025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520772839 - 2⁹ = 520772327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520772795 and 520772804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520772869) 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, 260386419 + 260386420.

It is an arithmetic number, because the mean of its divisors is an integer number (260386420).

Almost surely, 2^520772839 is an apocalyptic number.

520772839 is a deficient number, since it is larger than the sum of its proper divisors (1).

520772839 is an equidigital number, since it uses as much as digits as its factorization.

520772839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 520772839 is about 22820.4478264560. The cubic root of 520772839 is about 804.5433357590.

The spelling of 520772839 in words is "five hundred twenty million, seven hundred seventy-two thousand, eight hundred thirty-nine".