2513445121 has 16 divisors (see below), whose sum is σ = 2924147520. Its totient is φ = 2135047680.

The previous prime is 2513445107. The next prime is 2513445127. The reversal of 2513445121 is 1215443152.

It is not a de Polignac number, because 2513445121 - 2⁵ = 2513445089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2513445121.

It is not an unprimeable number, because it can be changed into a prime (2513445127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22356 + ... + 74341.

It is an arithmetic number, because the mean of its divisors is an integer number (182759220).

Almost surely, 2^2513445121 is an apocalyptic number.

It is an amenable number.

2513445121 is a deficient number, since it is larger than the sum of its proper divisors (410702399).

2513445121 is a wasteful number, since it uses less digits than its factorization.

2513445121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96864.

The product of its digits is 4800, while the sum is 28.

The square root of 2513445121 is about 50134.2709231919. The cubic root of 2513445121 is about 1359.6375044917.

Adding to 2513445121 its reverse (1215443152), we get a palindrome (3728888273).

The spelling of 2513445121 in words is "two billion, five hundred thirteen million, four hundred forty-five thousand, one hundred twenty-one".