520214343503 has 2 divisors, whose sum is σ = 520214343504. Its totient is φ = 520214343502.

The previous prime is 520214343499. The next prime is 520214343533. The reversal of 520214343503 is 305343412025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520214343503 - 2² = 520214343499 is a prime.

It is a super-2 number, since 2×520214343503² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520214343503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520214343533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260107171751 + 260107171752.

It is an arithmetic number, because the mean of its divisors is an integer number (260107171752).

Almost surely, 2^520214343503 is an apocalyptic number.

520214343503 is a deficient number, since it is larger than the sum of its proper divisors (1).

520214343503 is an equidigital number, since it uses as much as digits as its factorization.

520214343503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 520214343503 its reverse (305343412025), we get a palindrome (825557755528).

The spelling of 520214343503 in words is "five hundred twenty billion, two hundred fourteen million, three hundred forty-three thousand, five hundred three".