516003427 has 2 divisors, whose sum is σ = 516003428. Its totient is φ = 516003426.

The previous prime is 516003421. The next prime is 516003437. The reversal of 516003427 is 724300615.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516003427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 516003395 and 516003404.

It is not a weakly prime, because it can be changed into another prime (516003421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258001713 + 258001714.

It is an arithmetic number, because the mean of its divisors is an integer number (258001714).

Almost surely, 2^516003427 is an apocalyptic number.

516003427 is a deficient number, since it is larger than the sum of its proper divisors (1).

516003427 is an equidigital number, since it uses as much as digits as its factorization.

516003427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 516003427 is about 22715.7088157072. The cubic root of 516003427 is about 802.0797070674.

The spelling of 516003427 in words is "five hundred sixteen million, three thousand, four hundred twenty-seven".