4153643 has 4 divisors (see below), whose sum is σ = 4473168. Its totient is φ = 3834120.

The previous prime is 4153613. The next prime is 4153649. The reversal of 4153643 is 3463514.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4153643 - 2⁶ = 4153579 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4153649) 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 in 3 ways as a sum of consecutive naturals, for example, 159743 + ... + 159768.

It is an arithmetic number, because the mean of its divisors is an integer number (1118292).

Almost surely, 2^4153643 is an apocalyptic number.

4153643 is a deficient number, since it is larger than the sum of its proper divisors (319525).

4153643 is a wasteful number, since it uses less digits than its factorization.

4153643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319524.

The product of its digits is 4320, while the sum is 26.

The square root of 4153643 is about 2038.0488217901. The cubic root of 4153643 is about 160.7470662916.

The spelling of 4153643 in words is "four million, one hundred fifty-three thousand, six hundred forty-three".