520853165003 has 2 divisors, whose sum is σ = 520853165004. Its totient is φ = 520853165002.

The previous prime is 520853164981. The next prime is 520853165033. The reversal of 520853165003 is 300561358025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520853165003 - 2¹⁰ = 520853163979 is a prime.

It is not a weakly prime, because it can be changed into another prime (520853165033) 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, 260426582501 + 260426582502.

It is an arithmetic number, because the mean of its divisors is an integer number (260426582502).

Almost surely, 2^520853165003 is an apocalyptic number.

520853165003 is a deficient number, since it is larger than the sum of its proper divisors (1).

520853165003 is an equidigital number, since it uses as much as digits as its factorization.

520853165003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 520853165003 in words is "five hundred twenty billion, eight hundred fifty-three million, one hundred sixty-five thousand, three".