2504121225 has 24 divisors (see below), whose sum is σ = 4228241280. Its totient is φ = 1307113920.

The previous prime is 2504121167. The next prime is 2504121229. The reversal of 2504121225 is 5221214052.

It is not a de Polignac number, because 2504121225 - 2¹⁸ = 2503859081 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2504121195 and 2504121204.

It is not an unprimeable number, because it can be changed into a prime (2504121229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351670 + ... + 358719.

It is an arithmetic number, because the mean of its divisors is an integer number (176176720).

Almost surely, 2^2504121225 is an apocalyptic number.

2504121225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2504121225 is a deficient number, since it is larger than the sum of its proper divisors (1724120055).

2504121225 is a wasteful number, since it uses less digits than its factorization.

2504121225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710449 (or 710444 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2504121225 is about 50041.1952794895. The cubic root of 2504121225 is about 1357.9541805839.

Adding to 2504121225 its reverse (5221214052), we get a palindrome (7725335277).

The spelling of 2504121225 in words is "two billion, five hundred four million, one hundred twenty-one thousand, two hundred twenty-five".