2040553 has 4 divisors (see below), whose sum is σ = 2079108. Its totient is φ = 2002000.

The previous prime is 2040551. The next prime is 2040557. The reversal of 2040553 is 3550402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3550402 = 2 ⋅1775201.

It can be written as a sum of positive squares in 2 ways, for example, as 1517824 + 522729 = 1232^2 + 723^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040553 - 2¹ = 2040551 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 2040553.

It is not an unprimeable number, because it can be changed into a prime (2040551) 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, 19198 + ... + 19303.

It is an arithmetic number, because the mean of its divisors is an integer number (519777).

2^2040553 is an apocalyptic number.

It is an amenable number.

2040553 is a deficient number, since it is larger than the sum of its proper divisors (38555).

2040553 is an equidigital number, since it uses as much as digits as its factorization.

2040553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38554.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2040553 is about 1428.4792613125. The cubic root of 2040553 is about 126.8379730498.

Adding to 2040553 its reverse (3550402), we get a palindrome (5590955).

The spelling of 2040553 in words is "two million, forty thousand, five hundred fifty-three".