82954217 has 2 divisors, whose sum is σ = 82954218. Its totient is φ = 82954216.

The previous prime is 82954189. The next prime is 82954219. The reversal of 82954217 is 71245928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57592921 + 25361296 = 7589^2 + 5036^2 .

It is a cyclic number.

It is not a de Polignac number, because 82954217 - 2⁶ = 82954153 is a prime.

Together with 82954219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82954219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41477108 + 41477109.

It is an arithmetic number, because the mean of its divisors is an integer number (41477109).

Almost surely, 2^82954217 is an apocalyptic number.

It is an amenable number.

82954217 is a deficient number, since it is larger than the sum of its proper divisors (1).

82954217 is an equidigital number, since it uses as much as digits as its factorization.

82954217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 82954217 is about 9107.9205639926. The cubic root of 82954217 is about 436.1268481042.

The spelling of 82954217 in words is "eighty-two million, nine hundred fifty-four thousand, two hundred seventeen".