4581601 has 8 divisors (see below), whose sum is σ = 4674600. Its totient is φ = 4489728.

The previous prime is 4581589. The next prime is 4581611. The reversal of 4581601 is 1061854.

It can be written as a sum of positive squares in 4 ways, for example, as 70225 + 4511376 = 265^2 + 2124^2 .

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 4581601 - 2⁵ = 4581569 is a prime.

It is a Duffinian number.

4581601 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4581611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14295 + ... + 14611.

It is an arithmetic number, because the mean of its divisors is an integer number (584325).

Almost surely, 2^4581601 is an apocalyptic number.

It is an amenable number.

4581601 is a deficient number, since it is larger than the sum of its proper divisors (92999).

4581601 is a wasteful number, since it uses less digits than its factorization.

4581601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 4581601 is about 2140.4674723060. The cubic root of 4581601 is about 166.0883185130.

The spelling of 4581601 in words is "four million, five hundred eighty-one thousand, six hundred one".