330980861 has 2 divisors, whose sum is σ = 330980862. Its totient is φ = 330980860.

The previous prime is 330980851. The next prime is 330980863. The reversal of 330980861 is 168089033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271227961 + 59752900 = 16469^2 + 7730^2 .

It is a cyclic number.

It is not a de Polignac number, because 330980861 - 2²² = 326786557 is a prime.

It is a super-3 number, since 3×330980861³ (a number of 27 digits) contains 333 as substring.

Together with 330980863, 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 (330980863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165490430 + 165490431.

It is an arithmetic number, because the mean of its divisors is an integer number (165490431).

Almost surely, 2^330980861 is an apocalyptic number.

It is an amenable number.

330980861 is a deficient number, since it is larger than the sum of its proper divisors (1).

330980861 is an equidigital number, since it uses as much as digits as its factorization.

330980861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 330980861 is about 18192.8794037667. The cubic root of 330980861 is about 691.7263088712.

The spelling of 330980861 in words is "three hundred thirty million, nine hundred eighty thousand, eight hundred sixty-one".