83672201 has 2 divisors, whose sum is σ = 83672202. Its totient is φ = 83672200.

The previous prime is 83672179. The next prime is 83672203. The reversal of 83672201 is 10227638.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76387600 + 7284601 = 8740^2 + 2699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83672201 is a prime.

It is a Sophie Germain prime.

Together with 83672203, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (83672203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41836100 + 41836101.

It is an arithmetic number, because the mean of its divisors is an integer number (41836101).

Almost surely, 2^83672201 is an apocalyptic number.

It is an amenable number.

83672201 is a deficient number, since it is larger than the sum of its proper divisors (1).

83672201 is an equidigital number, since it uses as much as digits as its factorization.

83672201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 83672201 is about 9147.2510078165. The cubic root of 83672201 is about 437.3814880087.

Adding to 83672201 its reverse (10227638), we get a palindrome (93899839).

It can be divided in two parts, 836 and 72201, that added together give a palindrome (73037).

The spelling of 83672201 in words is "eighty-three million, six hundred seventy-two thousand, two hundred one".