4153649 has 2 divisors, whose sum is σ = 4153650. Its totient is φ = 4153648.

The previous prime is 4153613. The next prime is 4153687. The reversal of 4153649 is 9463514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3489424 + 664225 = 1868^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 4153649 - 2⁸ = 4153393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (153649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2076824 + 2076825.

It is an arithmetic number, because the mean of its divisors is an integer number (2076825).

Almost surely, 2^4153649 is an apocalyptic number.

It is an amenable number.

4153649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4153649 is an equidigital number, since it uses as much as digits as its factorization.

4153649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 4153649 is about 2038.0502937857. The cubic root of 4153649 is about 160.7471436921.

The spelling of 4153649 in words is "four million, one hundred fifty-three thousand, six hundred forty-nine".