4240161 has 16 divisors (see below), whose sum is σ = 6350400. Its totient is φ = 2795904.

The previous prime is 4240151. The next prime is 4240169. The reversal of 4240161 is 1610424.

It is not a de Polignac number, because 4240161 - 2⁹ = 4239649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4240169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1810 + ... + 3428.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

Almost surely, 2^4240161 is an apocalyptic number.

It is an amenable number.

4240161 is a deficient number, since it is larger than the sum of its proper divisors (2110239).

4240161 is a wasteful number, since it uses less digits than its factorization.

4240161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725 (or 1719 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4240161 is about 2059.1651220822. The cubic root of 4240161 is about 161.8554952821.

Adding to 4240161 its reverse (1610424), we get a palindrome (5850585).

The spelling of 4240161 in words is "four million, two hundred forty thousand, one hundred sixty-one".