505034443 has 2 divisors, whose sum is σ = 505034444. Its totient is φ = 505034442.

The previous prime is 505034401. The next prime is 505034531. The reversal of 505034443 is 344430505.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505034443 is a prime.

It is not a weakly prime, because it can be changed into another prime (505034143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252517221 + 252517222.

It is an arithmetic number, because the mean of its divisors is an integer number (252517222).

Almost surely, 2^505034443 is an apocalyptic number.

505034443 is a deficient number, since it is larger than the sum of its proper divisors (1).

505034443 is an equidigital number, since it uses as much as digits as its factorization.

505034443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 505034443 is about 22472.9713878695. The cubic root of 505034443 is about 796.3555282227.

Adding to 505034443 its reverse (344430505), we get a palindrome (849464948).

It can be divided in two parts, 50503 and 4443, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 505034443 in words is "five hundred five million, thirty-four thousand, four hundred forty-three".