83243207 has 2 divisors, whose sum is σ = 83243208. Its totient is φ = 83243206.

The previous prime is 83243197. The next prime is 83243221. The reversal of 83243207 is 70234238.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83243207 - 2⁶ = 83243143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83243207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83243257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41621603 + 41621604.

It is an arithmetic number, because the mean of its divisors is an integer number (41621604).

Almost surely, 2^83243207 is an apocalyptic number.

83243207 is a deficient number, since it is larger than the sum of its proper divisors (1).

83243207 is an equidigital number, since it uses as much as digits as its factorization.

83243207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 83243207 is about 9123.7715337463. The cubic root of 83243207 is about 436.6327103587.

The spelling of 83243207 in words is "eighty-three million, two hundred forty-three thousand, two hundred seven".