2040505 has 16 divisors (see below), whose sum is σ = 2638080. Its totient is φ = 1510272.

The previous prime is 2040497. The next prime is 2040539. The reversal of 2040505 is 5050402.

It is a happy number.

It is not a de Polignac number, because 2040505 - 2³ = 2040497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4237 + ... + 4693.

It is an arithmetic number, because the mean of its divisors is an integer number (164880).

2^2040505 is an apocalyptic number.

It is an amenable number.

2040505 is a deficient number, since it is larger than the sum of its proper divisors (597575).

2040505 is a wasteful number, since it uses less digits than its factorization.

2040505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2040505 is about 1428.4624601298. The cubic root of 2040505 is about 126.8369785040.

Adding to 2040505 its reverse (5050402), we get a palindrome (7090907).

The spelling of 2040505 in words is "two million, forty thousand, five hundred five".