2030401 has 4 divisors (see below), whose sum is σ = 2034900. Its totient is φ = 2025904.

The previous prime is 2030393. The next prime is 2030411. The reversal of 2030401 is 1040302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1040302 = 2 ⋅520151.

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 705600 = 1151^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030401 - 2³ = 2030393 is a prime.

It is a Duffinian number.

2030401 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1486 + ... + 2503.

It is an arithmetic number, because the mean of its divisors is an integer number (508725).

2^2030401 is an apocalyptic number.

It is an amenable number.

2030401 is a deficient number, since it is larger than the sum of its proper divisors (4499).

2030401 is an equidigital number, since it uses as much as digits as its factorization.

2030401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2030401 is about 1424.9214013411. The cubic root of 2030401 is about 126.6272784580.

Adding to 2030401 its reverse (1040302), we get a palindrome (3070703).

Subtracting from 2030401 its reverse (1040302), we obtain a palindrome (990099).

The spelling of 2030401 in words is "two million, thirty thousand, four hundred one".