83350409 has 2 divisors, whose sum is σ = 83350410. Its totient is φ = 83350408.

The previous prime is 83350403. The next prime is 83350427. The reversal of 83350409 is 90405338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54760000 + 28590409 = 7400^2 + 5347^2 .

It is a cyclic number.

It is not a de Polignac number, because 83350409 - 2²⁰ = 82301833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83350403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41675204 + 41675205.

It is an arithmetic number, because the mean of its divisors is an integer number (41675205).

Almost surely, 2^83350409 is an apocalyptic number.

It is an amenable number.

83350409 is a deficient number, since it is larger than the sum of its proper divisors (1).

83350409 is an equidigital number, since it uses as much as digits as its factorization.

83350409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 83350409 is about 9129.6445166282. The cubic root of 83350409 is about 436.8200642683.

The spelling of 83350409 in words is "eighty-three million, three hundred fifty thousand, four hundred nine".