2504145 has 24 divisors (see below), whose sum is σ = 4662144. Its totient is φ = 1144416.

The previous prime is 2504141. The next prime is 2504147. The reversal of 2504145 is 5414052.

2504145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2504145 - 2² = 2504141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2504141) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 969 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (194256).

2^2504145 is an apocalyptic number.

It is an amenable number.

2504145 is a deficient number, since it is larger than the sum of its proper divisors (2157999).

2504145 is a wasteful number, since it uses less digits than its factorization.

2504145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429 (or 3422 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2504145 is about 1582.4490513126. The cubic root of 2504145 is about 135.7958478200.

Adding to 2504145 its reverse (5414052), we get a palindrome (7918197).

The spelling of 2504145 in words is "two million, five hundred four thousand, one hundred forty-five".