2513121541 has 8 divisors (see below), whose sum is σ = 2938933184. Its totient is φ = 2104008480.

The previous prime is 2513121521. The next prime is 2513121551. The reversal of 2513121541 is 1451213152.

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

It is not a de Polignac number, because 2513121541 - 2⁹ = 2513121029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513121521) 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, 4174320 + ... + 4174921.

It is an arithmetic number, because the mean of its divisors is an integer number (367366648).

Almost surely, 2^2513121541 is an apocalyptic number.

It is an amenable number.

2513121541 is a deficient number, since it is larger than the sum of its proper divisors (425811643).

2513121541 is an equidigital number, since it uses as much as digits as its factorization.

2513121541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8349291.

The product of its digits is 1200, while the sum is 25.

The square root of 2513121541 is about 50131.0436855248. The cubic root of 2513121541 is about 1359.5791555770.

Adding to 2513121541 its reverse (1451213152), we get a palindrome (3964334693).

The spelling of 2513121541 in words is "two billion, five hundred thirteen million, one hundred twenty-one thousand, five hundred forty-one".