516839137 has 2 divisors, whose sum is σ = 516839138. Its totient is φ = 516839136.

The previous prime is 516839111. The next prime is 516839143. The reversal of 516839137 is 731938615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297769536 + 219069601 = 17256^2 + 14801^2 .

It is a cyclic number.

It is not a de Polignac number, because 516839137 - 2⁷ = 516839009 is a prime.

It is equal to p_27194956 and since 516839137 and 27194956 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 516839093 and 516839102.

It is not a weakly prime, because it can be changed into another prime (516839107) 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, 258419568 + 258419569.

It is an arithmetic number, because the mean of its divisors is an integer number (258419569).

Almost surely, 2^516839137 is an apocalyptic number.

It is an amenable number.

516839137 is a deficient number, since it is larger than the sum of its proper divisors (1).

516839137 is an equidigital number, since it uses as much as digits as its factorization.

516839137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 516839137 is about 22734.0963532752. The cubic root of 516839137 is about 802.5124848683.

The spelling of 516839137 in words is "five hundred sixteen million, eight hundred thirty-nine thousand, one hundred thirty-seven".