520354211 has 12 divisors (see below), whose sum is σ = 564767280. Its totient is φ = 479213280.

The previous prime is 520354187. The next prime is 520354213. The reversal of 520354211 is 112453025.

It is a de Polignac number, because none of the positive numbers 2^k-520354211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520354213) 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 in 11 ways as a sum of consecutive naturals, for example, 74570 + ... + 81248.

It is an arithmetic number, because the mean of its divisors is an integer number (47063940).

Almost surely, 2^520354211 is an apocalyptic number.

520354211 is a deficient number, since it is larger than the sum of its proper divisors (44413069).

520354211 is a wasteful number, since it uses less digits than its factorization.

520354211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7166 (or 7153 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 520354211 is about 22811.2737697832. The cubic root of 520354211 is about 804.3276981333.

The spelling of 520354211 in words is "five hundred twenty million, three hundred fifty-four thousand, two hundred eleven".