8153449 has 2 divisors, whose sum is σ = 8153450. Its totient is φ = 8153448.

The previous prime is 8153447. The next prime is 8153471. The reversal of 8153449 is 9443518.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8020224 + 133225 = 2832^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 8153449 - 2¹ = 8153447 is a prime.

Together with 8153447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8153447) 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, 4076724 + 4076725.

It is an arithmetic number, because the mean of its divisors is an integer number (4076725).

Almost surely, 2^8153449 is an apocalyptic number.

It is an amenable number.

8153449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8153449 is an equidigital number, since it uses as much as digits as its factorization.

8153449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 8153449 is about 2855.4244868320. The cubic root of 8153449 is about 201.2706517906.

The spelling of 8153449 in words is "eight million, one hundred fifty-three thousand, four hundred forty-nine".