2543525523 has 32 divisors (see below), whose sum is σ = 4698001920. Its totient is φ = 1321310880.

The previous prime is 2543525503. The next prime is 2543525527. The reversal of 2543525523 is 3255253452.

2543525523 is a `hidden beast` number, since 2 + 54 + 3 + 52 + 552 + 3 = 666.

It is not a de Polignac number, because 2543525523 - 2⁸ = 2543525267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543525527) 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, 609640 + ... + 613797.

It is an arithmetic number, because the mean of its divisors is an integer number (146812560).

Almost surely, 2^2543525523 is an apocalyptic number.

2543525523 is a deficient number, since it is larger than the sum of its proper divisors (2154476397).

2543525523 is a wasteful number, since it uses less digits than its factorization.

2543525523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223464 (or 1223458 counting only the distinct ones).

The product of its digits is 180000, while the sum is 36.

The square root of 2543525523 is about 50433.3770731249. The cubic root of 2543525523 is about 1365.0399650175.

Adding to 2543525523 its reverse (3255253452), we get a palindrome (5798778975).

The spelling of 2543525523 in words is "two billion, five hundred forty-three million, five hundred twenty-five thousand, five hundred twenty-three".