2504542 has 16 divisors (see below), whose sum is σ = 4188240. Its totient is φ = 1116288.

The previous prime is 2504531. The next prime is 2504543. The reversal of 2504542 is 2454052.

It is a d-powerful number, because it can be written as 2²⁰ + 5³ + 0 + 4⁴ + 5⁸ + 4⁷ + 2²⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504543) 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 7 ways as a sum of consecutive naturals, for example, 1293 + ... + 2584.

It is an arithmetic number, because the mean of its divisors is an integer number (261765).

2^2504542 is an apocalyptic number.

2504542 is a deficient number, since it is larger than the sum of its proper divisors (1683698).

2504542 is a wasteful number, since it uses less digits than its factorization.

2504542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 2504542 is about 1582.5744848190. The cubic root of 2504542 is about 135.8030236695.

Adding to 2504542 its reverse (2454052), we get a palindrome (4958594).

The spelling of 2504542 in words is "two million, five hundred four thousand, five hundred forty-two".