2401801 has 4 divisors (see below), whose sum is σ = 2447172. Its totient is φ = 2356432.

The previous prime is 2401741. The next prime is 2401807. The reversal of 2401801 is 1081042.

It is a happy number.

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 1320201 + 1081600 = 1149^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401801 - 2⁷ = 2401673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2401807) 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, 22606 + ... + 22711.

It is an arithmetic number, because the mean of its divisors is an integer number (611793).

2^2401801 is an apocalyptic number.

It is an amenable number.

2401801 is a deficient number, since it is larger than the sum of its proper divisors (45371).

2401801 is an equidigital number, since it uses as much as digits as its factorization.

2401801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45370.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2401801 is about 1549.7744997257. The cubic root of 2401801 is about 133.9200718856.

Adding to 2401801 its reverse (1081042), we get a palindrome (3482843).

The spelling of 2401801 in words is "two million, four hundred one thousand, eight hundred one".