516188797 has 2 divisors, whose sum is σ = 516188798. Its totient is φ = 516188796.

The previous prime is 516188753. The next prime is 516188801. The reversal of 516188797 is 797881615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506880196 + 9308601 = 22514^2 + 3051^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516188797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516185797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258094398 + 258094399.

It is an arithmetic number, because the mean of its divisors is an integer number (258094399).

Almost surely, 2^516188797 is an apocalyptic number.

It is an amenable number.

516188797 is a deficient number, since it is larger than the sum of its proper divisors (1).

516188797 is an equidigital number, since it uses as much as digits as its factorization.

516188797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 52.

The square root of 516188797 is about 22719.7886653904. The cubic root of 516188797 is about 802.1757424209.

It can be divided in two parts, 5161887 and 97, that added together give a square (5161984 = 2272²).

The spelling of 516188797 in words is "five hundred sixteen million, one hundred eighty-eight thousand, seven hundred ninety-seven".