520212943 has 2 divisors, whose sum is σ = 520212944. Its totient is φ = 520212942.

The previous prime is 520212911. The next prime is 520212997. The reversal of 520212943 is 349212025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520212943 - 2⁵ = 520212911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520213943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260106471 + 260106472.

It is an arithmetic number, because the mean of its divisors is an integer number (260106472).

Almost surely, 2^520212943 is an apocalyptic number.

520212943 is a deficient number, since it is larger than the sum of its proper divisors (1).

520212943 is an equidigital number, since it uses as much as digits as its factorization.

520212943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 520212943 is about 22808.1771082215. The cubic root of 520212943 is about 804.2549040974.

Adding to 520212943 its reverse (349212025), we get a palindrome (869424968).

It can be divided in two parts, 5202 and 12943, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 520212943 in words is "five hundred twenty million, two hundred twelve thousand, nine hundred forty-three".