4053643 has 4 divisors (see below), whose sum is σ = 4422168. Its totient is φ = 3685120.

The previous prime is 4053641. The next prime is 4053659. The reversal of 4053643 is 3463504.

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 4053643 - 2¹ = 4053641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4053641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184246 + ... + 184267.

It is an arithmetic number, because the mean of its divisors is an integer number (1105542).

Almost surely, 2^4053643 is an apocalyptic number.

4053643 is a deficient number, since it is larger than the sum of its proper divisors (368525).

4053643 is a wasteful number, since it uses less digits than its factorization.

4053643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368524.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 4053643 is about 2013.3660869300. The cubic root of 4053643 is about 159.4465644515.

The spelling of 4053643 in words is "four million, fifty-three thousand, six hundred forty-three".