2082401 has 4 divisors (see below), whose sum is σ = 2094612. Its totient is φ = 2070192.

The previous prime is 2082391. The next prime is 2082413. The reversal of 2082401 is 1042802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1042802 = 2 ⋅521401.

It can be written as a sum of positive squares in 2 ways, for example, as 819025 + 1263376 = 905^2 + 1124^2 .

It is a cyclic number.

It is not a de Polignac number, because 2082401 - 2¹⁰ = 2081377 is a prime.

It is a super-3 number, since 3×2082401³ = 27090333136198581603, which contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2082401.

It is not an unprimeable number, because it can be changed into a prime (2012401) 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, 5846 + ... + 6191.

It is an arithmetic number, because the mean of its divisors is an integer number (523653).

2^2082401 is an apocalyptic number.

It is an amenable number.

2082401 is a deficient number, since it is larger than the sum of its proper divisors (12211).

2082401 is a wasteful number, since it uses less digits than its factorization.

2082401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12210.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2082401 is about 1443.0526670915. The cubic root of 2082401 is about 127.6991837341.

It can be divided in two parts, 20 and 82401, that multiplied together give a triangular number (1648020 = T₁₈₁₅).

The spelling of 2082401 in words is "two million, eighty-two thousand, four hundred one".