516397003 has 2 divisors, whose sum is σ = 516397004. Its totient is φ = 516397002.

The previous prime is 516396961. The next prime is 516397031. The reversal of 516397003 is 300793615.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516397003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 516397003.

It is not a weakly prime, because it can be changed into another prime (516397043) 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, 258198501 + 258198502.

It is an arithmetic number, because the mean of its divisors is an integer number (258198502).

Almost surely, 2^516397003 is an apocalyptic number.

516397003 is a deficient number, since it is larger than the sum of its proper divisors (1).

516397003 is an equidigital number, since it uses as much as digits as its factorization.

516397003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 516397003 is about 22724.3702442994. The cubic root of 516397003 is about 802.2835810986.

The spelling of 516397003 in words is "five hundred sixteen million, three hundred ninety-seven thousand, three".