4533661 has 8 divisors (see below), whose sum is σ = 4964544. Its totient is φ = 4105920.

The previous prime is 4533649. The next prime is 4533671. The reversal of 4533661 is 1663354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4533661 - 2⁹ = 4533149 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 (4533601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096 + ... + 4318.

It is an arithmetic number, because the mean of its divisors is an integer number (620568).

Almost surely, 2^4533661 is an apocalyptic number.

It is an amenable number.

4533661 is a deficient number, since it is larger than the sum of its proper divisors (430883).

4533661 is a wasteful number, since it uses less digits than its factorization.

4533661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571.

The product of its digits is 6480, while the sum is 28.

The square root of 4533661 is about 2129.2395356089. The cubic root of 4533661 is about 165.5069927647.

It can be divided in two parts, 453 and 3661, that added together give a palindrome (4114).

The spelling of 4533661 in words is "four million, five hundred thirty-three thousand, six hundred sixty-one".