4205601 has 18 divisors (see below), whose sum is σ = 6317922. Its totient is φ = 2799360.

The previous prime is 4205599. The next prime is 4205611. The reversal of 4205601 is 1065024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4100625 + 104976 = 2025^2 + 324^2 .

It is not a de Polignac number, because 4205601 - 2¹ = 4205599 is a prime.

4205601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4205611) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6241 + ... + 6881.

Almost surely, 2^4205601 is an apocalyptic number.

It is an amenable number.

4205601 is a deficient number, since it is larger than the sum of its proper divisors (2112321).

4205601 is an frugal number, since it uses more digits than its factorization.

4205601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4205601 is about 2050.7562019899. The cubic root of 4205601 is about 161.4145534893.

The spelling of 4205601 in words is "four million, two hundred five thousand, six hundred one".