4243601 has 4 divisors (see below), whose sum is σ = 4254900. Its totient is φ = 4232304.

The previous prime is 4243597. The next prime is 4243607. The reversal of 4243601 is 1063424.

It is a happy number.

It is a Cunningham number, because it is equal to 2060²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1000000 + 3243601 = 1000^2 + 1801^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243601 - 2² = 4243597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5066 + ... + 5843.

It is an arithmetic number, because the mean of its divisors is an integer number (1063725).

Almost surely, 2^4243601 is an apocalyptic number.

It is an amenable number.

4243601 is a deficient number, since it is larger than the sum of its proper divisors (11299).

4243601 is a wasteful number, since it uses less digits than its factorization.

4243601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11298.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4243601 is about 2060.0002427184. Note that the first 3 decimals coincide. The cubic root of 4243601 is about 161.8992540294.

The spelling of 4243601 in words is "four million, two hundred forty-three thousand, six hundred one".