5043661 has 8 divisors (see below), whose sum is σ = 5834304. Its totient is φ = 4270560.

The previous prime is 5043653. The next prime is 5043667. The reversal of 5043661 is 1663405.

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

It is not a de Polignac number, because 5043661 - 2³ = 5043653 is a prime.

5043661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5043667) 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, 3760 + ... + 4921.

It is an arithmetic number, because the mean of its divisors is an integer number (729288).

Almost surely, 2^5043661 is an apocalyptic number.

It is an amenable number.

5043661 is a deficient number, since it is larger than the sum of its proper divisors (790643).

5043661 is an equidigital number, since it uses as much as digits as its factorization.

5043661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 5043661 is about 2245.8096535548. The cubic root of 5043661 is about 171.4938812993.

The spelling of 5043661 in words is "five million, forty-three thousand, six hundred sixty-one".