2040507 has 24 divisors (see below), whose sum is σ = 3442400. Its totient is φ = 1164240.

The previous prime is 2040497. The next prime is 2040539. The reversal of 2040507 is 7050402.

It is a happy number.

It is not a de Polignac number, because 2040507 - 2⁶ = 2040443 is a prime.

It is a Duffinian number.

2040507 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2040507.

It is not an unprimeable number, because it can be changed into a prime (2040557) 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 23 ways as a sum of consecutive naturals, for example, 2757 + ... + 3417.

2^2040507 is an apocalyptic number.

2040507 is a deficient number, since it is larger than the sum of its proper divisors (1401893).

2040507 is an equidigital number, since it uses as much as digits as its factorization.

2040507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2040507 is about 1428.4631601830. The cubic root of 2040507 is about 126.8370199437.

Adding to 2040507 its reverse (7050402), we get a palindrome (9090909).

The spelling of 2040507 in words is "two million, forty thousand, five hundred seven".