839303081 has 2 divisors, whose sum is σ = 839303082. Its totient is φ = 839303080.

The previous prime is 839303063. The next prime is 839303117. The reversal of 839303081 is 180303938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 834054400 + 5248681 = 28880^2 + 2291^2 .

It is a cyclic number.

It is not a de Polignac number, because 839303081 - 2¹⁴ = 839286697 is a prime.

It is a super-2 number, since 2×839303081² = 1408859323552185122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (839303041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419651540 + 419651541.

It is an arithmetic number, because the mean of its divisors is an integer number (419651541).

Almost surely, 2^839303081 is an apocalyptic number.

It is an amenable number.

839303081 is a deficient number, since it is larger than the sum of its proper divisors (1).

839303081 is an equidigital number, since it uses as much as digits as its factorization.

839303081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 839303081 is about 28970.7280025891. The cubic root of 839303081 is about 943.2777833441.

The spelling of 839303081 in words is "eight hundred thirty-nine million, three hundred three thousand, eighty-one".