2504163121 has 8 divisors (see below), whose sum is σ = 2791018080. Its totient is φ = 2232813888.

The previous prime is 2504163097. The next prime is 2504163127. The reversal of 2504163121 is 1213614052.

It is a happy number.

2504163121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2504163121 - 2¹⁷ = 2504032049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2504163127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3876091 + ... + 3876736.

It is an arithmetic number, because the mean of its divisors is an integer number (348877260).

Almost surely, 2^2504163121 is an apocalyptic number.

It is an amenable number.

2504163121 is a deficient number, since it is larger than the sum of its proper divisors (286854959).

2504163121 is a wasteful number, since it uses less digits than its factorization.

2504163121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7752863.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2504163121 is about 50041.6138928392. The cubic root of 2504163121 is about 1357.9617537704.

Adding to 2504163121 its reverse (1213614052), we get a palindrome (3717777173).

The spelling of 2504163121 in words is "two billion, five hundred four million, one hundred sixty-three thousand, one hundred twenty-one".