516116501 has 2 divisors, whose sum is σ = 516116502. Its totient is φ = 516116500.

The previous prime is 516116459. The next prime is 516116561. The reversal of 516116501 is 105611615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367642276 + 148474225 = 19174^2 + 12185^2 .

It is a cyclic number.

It is not a de Polignac number, because 516116501 - 2¹⁰ = 516115477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516116561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258058250 + 258058251.

It is an arithmetic number, because the mean of its divisors is an integer number (258058251).

Almost surely, 2^516116501 is an apocalyptic number.

It is an amenable number.

516116501 is a deficient number, since it is larger than the sum of its proper divisors (1).

516116501 is an equidigital number, since it uses as much as digits as its factorization.

516116501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 516116501 is about 22718.1975737513. The cubic root of 516116501 is about 802.1382904876.

The spelling of 516116501 in words is "five hundred sixteen million, one hundred sixteen thousand, five hundred one".