516333901 has 2 divisors, whose sum is σ = 516333902. Its totient is φ = 516333900.

The previous prime is 516333899. The next prime is 516333919. The reversal of 516333901 is 109333615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311557801 + 204776100 = 17651^2 + 14310^2 .

It is a cyclic number.

It is not a de Polignac number, because 516333901 - 2¹ = 516333899 is a prime.

Together with 516333899, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516333941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258166950 + 258166951.

It is an arithmetic number, because the mean of its divisors is an integer number (258166951).

Almost surely, 2^516333901 is an apocalyptic number.

It is an amenable number.

516333901 is a deficient number, since it is larger than the sum of its proper divisors (1).

516333901 is an equidigital number, since it uses as much as digits as its factorization.

516333901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 516333901 is about 22722.9817805674. The cubic root of 516333901 is about 802.2509009704.

The spelling of 516333901 in words is "five hundred sixteen million, three hundred thirty-three thousand, nine hundred one".