4533641 has 4 divisors (see below), whose sum is σ = 5181312. Its totient is φ = 3885972.

The previous prime is 4533631. The next prime is 4533643. The reversal of 4533641 is 1463354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4533641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4533641.

It is not an unprimeable number, because it can be changed into a prime (4533643) 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, 323825 + ... + 323838.

It is an arithmetic number, because the mean of its divisors is an integer number (1295328).

Almost surely, 2^4533641 is an apocalyptic number.

It is an amenable number.

4533641 is a deficient number, since it is larger than the sum of its proper divisors (647671).

4533641 is an equidigital number, since it uses as much as digits as its factorization.

4533641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647670.

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

The square root of 4533641 is about 2129.2348390913. The cubic root of 4533641 is about 165.5067493893.

Adding to 4533641 its reverse (1463354), we get a palindrome (5996995).

The spelling of 4533641 in words is "four million, five hundred thirty-three thousand, six hundred forty-one".