2543514542 has 16 divisors (see below), whose sum is σ = 3970481760. Its totient is φ = 1220546208.

The previous prime is 2543514527. The next prime is 2543514559. The reversal of 2543514542 is 2454153452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121613 + ... + 140984.

It is an arithmetic number, because the mean of its divisors is an integer number (248155110).

Almost surely, 2^2543514542 is an apocalyptic number.

2543514542 is a deficient number, since it is larger than the sum of its proper divisors (1426967218).

2543514542 is a wasteful number, since it uses less digits than its factorization.

2543514542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262795.

The product of its digits is 96000, while the sum is 35.

The square root of 2543514542 is about 50433.2682066114. The cubic root of 2543514542 is about 1365.0380006148.

Adding to 2543514542 its reverse (2454153452), we get a palindrome (4997667994).

The spelling of 2543514542 in words is "two billion, five hundred forty-three million, five hundred fourteen thousand, five hundred forty-two".