2523542243 has 4 divisors (see below), whose sum is σ = 2525154240. Its totient is φ = 2521930248.

The previous prime is 2523542239. The next prime is 2523542261. The reversal of 2523542243 is 3422453252.

2523542243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2523542243 - 2² = 2523542239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523542293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803648 + ... + 806781.

It is an arithmetic number, because the mean of its divisors is an integer number (631288560).

Almost surely, 2^2523542243 is an apocalyptic number.

2523542243 is a deficient number, since it is larger than the sum of its proper divisors (1611997).

2523542243 is a wasteful number, since it uses less digits than its factorization.

2523542243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611996.

The product of its digits is 57600, while the sum is 32.

The square root of 2523542243 is about 50234.8707871335. The cubic root of 2523542243 is about 1361.4557370423.

Adding to 2523542243 its reverse (3422453252), we get a palindrome (5945995495).

The spelling of 2523542243 in words is "two billion, five hundred twenty-three million, five hundred forty-two thousand, two hundred forty-three".