514216643 has 2 divisors, whose sum is σ = 514216644. Its totient is φ = 514216642.

The previous prime is 514216621. The next prime is 514216667. The reversal of 514216643 is 346612415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 514216643 - 2¹⁸ = 513954499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (514216673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257108321 + 257108322.

It is an arithmetic number, because the mean of its divisors is an integer number (257108322).

Almost surely, 2^514216643 is an apocalyptic number.

514216643 is a deficient number, since it is larger than the sum of its proper divisors (1).

514216643 is an equidigital number, since it uses as much as digits as its factorization.

514216643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 514216643 is about 22676.3454507114. The cubic root of 514216643 is about 801.1528394660.

The spelling of 514216643 in words is "five hundred fourteen million, two hundred sixteen thousand, six hundred forty-three".