2540504 has 8 divisors (see below), whose sum is σ = 4763460. Its totient is φ = 1270248.

The previous prime is 2540479. The next prime is 2540513. The reversal of 2540504 is 4050452.

It is a happy number.

2540504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158774 + ... + 158789.

2^2540504 is an apocalyptic number.

It is an amenable number.

2540504 is a deficient number, since it is larger than the sum of its proper divisors (2222956).

2540504 is a wasteful number, since it uses less digits than its factorization.

2540504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317569 (or 317565 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2540504 is about 1593.8958560709. The cubic root of 2540504 is about 136.4499228168.

Adding to 2540504 its reverse (4050452), we get a palindrome (6590956).

The spelling of 2540504 in words is "two million, five hundred forty thousand, five hundred four".