2513105121 has 32 divisors (see below), whose sum is σ = 3590552448. Its totient is φ = 1558016000.

The previous prime is 2513105071. The next prime is 2513105141. The reversal of 2513105121 is 1215013152.

2513105121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2513105121 - 2⁶ = 2513105057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2513105141) 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, 1753021 + ... + 1754453.

It is an arithmetic number, because the mean of its divisors is an integer number (112204764).

Almost surely, 2^2513105121 is an apocalyptic number.

It is an amenable number.

2513105121 is a deficient number, since it is larger than the sum of its proper divisors (1077447327).

2513105121 is a wasteful number, since it uses less digits than its factorization.

2513105121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 2513105121 is about 50130.8799144799. The cubic root of 2513105121 is about 1359.5761945399.

Adding to 2513105121 its reverse (1215013152), we get a palindrome (3728118273).

The spelling of 2513105121 in words is "two billion, five hundred thirteen million, one hundred five thousand, one hundred twenty-one".