2003801 has 2 divisors, whose sum is σ = 2003802. Its totient is φ = 2003800.

The previous prime is 2003767. The next prime is 2003803. The reversal of 2003801 is 1083002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1729225 + 274576 = 1315^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003801 - 2¹⁸ = 1741657 is a prime.

Together with 2003803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2003803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001900 + 1001901.

It is an arithmetic number, because the mean of its divisors is an integer number (1001901).

2^2003801 is an apocalyptic number.

It is an amenable number.

2003801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003801 is an equidigital number, since it uses as much as digits as its factorization.

2003801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2003801 is about 1415.5567809170. The cubic root of 2003801 is about 126.0718704779.

Adding to 2003801 its reverse (1083002), we get a palindrome (3086803).

The spelling of 2003801 in words is "two million, three thousand, eight hundred one".