4535661 has 16 divisors (see below), whose sum is σ = 6856640. Its totient is φ = 2643840.

The previous prime is 4535653. The next prime is 4535689. The reversal of 4535661 is 1665354.

It is not a de Polignac number, because 4535661 - 2³ = 4535653 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 (4535611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2320 + ... + 3801.

It is an arithmetic number, because the mean of its divisors is an integer number (428540).

Almost surely, 2^4535661 is an apocalyptic number.

It is an amenable number.

4535661 is a deficient number, since it is larger than the sum of its proper divisors (2320979).

4535661 is a wasteful number, since it uses less digits than its factorization.

4535661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156.

The product of its digits is 10800, while the sum is 30.

The square root of 4535661 is about 2129.7091350699. The cubic root of 4535661 is about 165.5313266913.

The spelling of 4535661 in words is "four million, five hundred thirty-five thousand, six hundred sixty-one".