2521114545 has 32 divisors (see below), whose sum is σ = 4189501440. Its totient is φ = 1293659840.

The previous prime is 2521114543. The next prime is 2521114601. The reversal of 2521114545 is 5454111252.

It is not a de Polignac number, because 2521114545 - 2¹ = 2521114543 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2521114543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11290 + ... + 71900.

It is an arithmetic number, because the mean of its divisors is an integer number (130921920).

Almost surely, 2^2521114545 is an apocalyptic number.

It is an amenable number.

2521114545 is a deficient number, since it is larger than the sum of its proper divisors (1668386895).

2521114545 is a wasteful number, since it uses less digits than its factorization.

2521114545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60725.

The product of its digits is 8000, while the sum is 30.

The square root of 2521114545 is about 50210.7014987841. The cubic root of 2521114545 is about 1361.0190144372.

Adding to 2521114545 its reverse (5454111252), we get a palindrome (7975225797).

The spelling of 2521114545 in words is "two billion, five hundred twenty-one million, one hundred fourteen thousand, five hundred forty-five".