520044971 has 2 divisors, whose sum is σ = 520044972. Its totient is φ = 520044970.

The previous prime is 520044961. The next prime is 520045021. The reversal of 520044971 is 179440025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520044971 - 2¹⁸ = 519782827 is a prime.

It is not a weakly prime, because it can be changed into another prime (520044901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260022485 + 260022486.

It is an arithmetic number, because the mean of its divisors is an integer number (260022486).

Almost surely, 2^520044971 is an apocalyptic number.

520044971 is a deficient number, since it is larger than the sum of its proper divisors (1).

520044971 is an equidigital number, since it uses as much as digits as its factorization.

520044971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 520044971 is about 22804.4945350692. The cubic root of 520044971 is about 804.1683325955.

Adding to 520044971 its reverse (179440025), we get a palindrome (699484996).

The spelling of 520044971 in words is "five hundred twenty million, forty-four thousand, nine hundred seventy-one".