83004661 has 2 divisors, whose sum is σ = 83004662. Its totient is φ = 83004660.

The previous prime is 83004629. The next prime is 83004667. The reversal of 83004661 is 16640038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45562500 + 37442161 = 6750^2 + 6119^2 .

It is a cyclic number.

It is not a de Polignac number, because 83004661 - 2⁵ = 83004629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83004667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41502330 + 41502331.

It is an arithmetic number, because the mean of its divisors is an integer number (41502331).

Almost surely, 2^83004661 is an apocalyptic number.

It is an amenable number.

83004661 is a deficient number, since it is larger than the sum of its proper divisors (1).

83004661 is an equidigital number, since it uses as much as digits as its factorization.

83004661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 83004661 is about 9110.6893811610. The cubic root of 83004661 is about 436.2152322984.

Adding to 83004661 its reverse (16640038), we get a palindrome (99644699).

The spelling of 83004661 in words is "eighty-three million, four thousand, six hundred sixty-one".