25230024543 has 4 divisors (see below), whose sum is σ = 33640032728. Its totient is φ = 16820016360.

The previous prime is 25230024493. The next prime is 25230024553. The reversal of 25230024543 is 34542003252.

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

It is not a de Polignac number, because 25230024543 - 2⁹ = 25230024031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25230024543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230024553) 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, 4205004088 + ... + 4205004093.

It is an arithmetic number, because the mean of its divisors is an integer number (8410008182).

Almost surely, 2^25230024543 is an apocalyptic number.

25230024543 is a deficient number, since it is larger than the sum of its proper divisors (8410008185).

25230024543 is an equidigital number, since it uses as much as digits as its factorization.

25230024543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410008184.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 25230024543 its reverse (34542003252), we get a palindrome (59772027795).

The spelling of 25230024543 in words is "twenty-five billion, two hundred thirty million, twenty-four thousand, five hundred forty-three".