516216703 has 2 divisors, whose sum is σ = 516216704. Its totient is φ = 516216702.

The previous prime is 516216629. The next prime is 516216721. The reversal of 516216703 is 307612615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516216703 - 2⁹ = 516216191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516216803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258108351 + 258108352.

It is an arithmetic number, because the mean of its divisors is an integer number (258108352).

Almost surely, 2^516216703 is an apocalyptic number.

516216703 is a deficient number, since it is larger than the sum of its proper divisors (1).

516216703 is an equidigital number, since it uses as much as digits as its factorization.

516216703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 516216703 is about 22720.4027913239. The cubic root of 516216703 is about 802.1901977991.

The spelling of 516216703 in words is "five hundred sixteen million, two hundred sixteen thousand, seven hundred three".