2541438613 has 32 divisors (see below), whose sum is σ = 3378032640. Its totient is φ = 1857841920.

The previous prime is 2541438593. The next prime is 2541438617. The reversal of 2541438613 is 3168341452.

It is a cyclic number.

It is not a de Polignac number, because 2541438613 - 2⁹ = 2541438101 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 (2541438617) 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, 27568 + ... + 76438.

It is an arithmetic number, because the mean of its divisors is an integer number (105563520).

Almost surely, 2^2541438613 is an apocalyptic number.

2541438613 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2541438613 is a deficient number, since it is larger than the sum of its proper divisors (836594027).

2541438613 is a wasteful number, since it uses less digits than its factorization.

2541438613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48937.

The product of its digits is 69120, while the sum is 37.

The square root of 2541438613 is about 50412.6830569451. The cubic root of 2541438613 is about 1364.6665338637. Note that the first 3 decimals are identical.

The spelling of 2541438613 in words is "two billion, five hundred forty-one million, four hundred thirty-eight thousand, six hundred thirteen".