2541131523 has 18 divisors (see below), whose sum is σ = 4269793164. Its totient is φ = 1452074904.

The previous prime is 2541131521. The next prime is 2541131531. The reversal of 2541131523 is 3251311452.

2541131523 is a `hidden beast` number, since 2 + 5 + 4 + 1 + 131 + 523 = 666.

It is not a de Polignac number, because 2541131523 - 2¹ = 2541131521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2541131521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2880661 + ... + 2881542.

Almost surely, 2^2541131523 is an apocalyptic number.

2541131523 is a deficient number, since it is larger than the sum of its proper divisors (1728661641).

2541131523 is a wasteful number, since it uses less digits than its factorization.

2541131523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762223 (or 5762213 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2541131523 is about 50409.6372036142. The cubic root of 2541131523 is about 1364.6115660036.

Adding to 2541131523 its reverse (3251311452), we get a palindrome (5792442975).

The spelling of 2541131523 in words is "two billion, five hundred forty-one million, one hundred thirty-one thousand, five hundred twenty-three".