25041022543 has 4 divisors (see below), whose sum is σ = 25089086448. Its totient is φ = 24992958640.

The previous prime is 25041022537. The next prime is 25041022577. The reversal of 25041022543 is 34522014052.

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 25041022543 - 2²⁵ = 25007468111 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 (25041022243) 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, 24031171 + ... + 24032212.

It is an arithmetic number, because the mean of its divisors is an integer number (6272271612).

Almost surely, 2^25041022543 is an apocalyptic number.

25041022543 is a deficient number, since it is larger than the sum of its proper divisors (48063905).

25041022543 is an equidigital number, since it uses as much as digits as its factorization.

25041022543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48063904.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 25041022543 its reverse (34522014052), we get a palindrome (59563036595).

The spelling of 25041022543 in words is "twenty-five billion, forty-one million, twenty-two thousand, five hundred forty-three".