83453449 has 2 divisors, whose sum is σ = 83453450. Its totient is φ = 83453448.

The previous prime is 83453443. The next prime is 83453479. The reversal of 83453449 is 94435438.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83393424 + 60025 = 9132^2 + 245^2 .

It is a cyclic number.

It is not a de Polignac number, because 83453449 - 2³ = 83453441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83453441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41726724 + 41726725.

It is an arithmetic number, because the mean of its divisors is an integer number (41726725).

Almost surely, 2^83453449 is an apocalyptic number.

It is an amenable number.

83453449 is a deficient number, since it is larger than the sum of its proper divisors (1).

83453449 is an equidigital number, since it uses as much as digits as its factorization.

83453449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 83453449 is about 9135.2859287490. The cubic root of 83453449 is about 436.9999930181. Note that the first 5 decimals are identical.

The spelling of 83453449 in words is "eighty-three million, four hundred fifty-three thousand, four hundred forty-nine".