4541661 has 12 divisors (see below), whose sum is σ = 6786780. Its totient is φ = 2923200.

The previous prime is 4541629. The next prime is 4541671. The reversal of 4541661 is 1661454.

It can be written as a sum of positive squares in 2 ways, for example, as 2528100 + 2013561 = 1590^2 + 1419^2 .

It is not a de Polignac number, because 4541661 - 2⁵ = 4541629 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4541671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8440 + ... + 8961.

It is an arithmetic number, because the mean of its divisors is an integer number (565565).

Almost surely, 2^4541661 is an apocalyptic number.

It is an amenable number.

4541661 is a deficient number, since it is larger than the sum of its proper divisors (2245119).

4541661 is a wasteful number, since it uses less digits than its factorization.

4541661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17436 (or 17433 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4541661 is about 2131.1173125851. The cubic root of 4541661 is about 165.6042855784.

The spelling of 4541661 in words is "four million, five hundred forty-one thousand, six hundred sixty-one".