2401901 has 4 divisors (see below), whose sum is σ = 2411100. Its totient is φ = 2392704.

The previous prime is 2401897. The next prime is 2401939. The reversal of 2401901 is 1091042.

It is a happy number.

2401901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1091042 = 2 ⋅545521.

It can be written as a sum of positive squares in 2 ways, for example, as 121801 + 2280100 = 349^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401901 - 2² = 2401897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2401901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401991) 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 3 ways as a sum of consecutive naturals, for example, 4196 + ... + 4733.

It is an arithmetic number, because the mean of its divisors is an integer number (602775).

2^2401901 is an apocalyptic number.

It is an amenable number.

2401901 is a deficient number, since it is larger than the sum of its proper divisors (9199).

2401901 is an equidigital number, since it uses as much as digits as its factorization.

2401901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9198.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2401901 is about 1549.8067621481. The cubic root of 2401901 is about 133.9219304661.

Adding to 2401901 its reverse (1091042), we get a palindrome (3492943).

The spelling of 2401901 in words is "two million, four hundred one thousand, nine hundred one".