2541245 has 16 divisors (see below), whose sum is σ = 3691008. Its totient is φ = 1639680.

The previous prime is 2541233. The next prime is 2541251. The reversal of 2541245 is 5421452.

It is a happy number.

It is not a de Polignac number, because 2541245 - 2⁴ = 2541229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2541245.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1541 + ... + 2730.

It is an arithmetic number, because the mean of its divisors is an integer number (230688).

2^2541245 is an apocalyptic number.

It is an amenable number.

2541245 is a deficient number, since it is larger than the sum of its proper divisors (1149763).

2541245 is a wasteful number, since it uses less digits than its factorization.

2541245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300.

The product of its digits is 1600, while the sum is 23.

The square root of 2541245 is about 1594.1282884385. The cubic root of 2541245 is about 136.4631878441.

Adding to 2541245 its reverse (5421452), we get a palindrome (7962697).

The spelling of 2541245 in words is "two million, five hundred forty-one thousand, two hundred forty-five".