2040547 has 4 divisors (see below), whose sum is σ = 2049256. Its totient is φ = 2031840.

The previous prime is 2040541. The next prime is 2040551. The reversal of 2040547 is 7450402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2040547 - 2³ = 2040539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040541) 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, 3993 + ... + 4474.

It is an arithmetic number, because the mean of its divisors is an integer number (512314).

2^2040547 is an apocalyptic number.

2040547 is a deficient number, since it is larger than the sum of its proper divisors (8709).

2040547 is an equidigital number, since it uses as much as digits as its factorization.

2040547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2040547 is about 1428.4771611755. The cubic root of 2040547 is about 126.8378487325.

Adding to 2040547 its reverse (7450402), we get a palindrome (9490949).

The spelling of 2040547 in words is "two million, forty thousand, five hundred forty-seven".