25223054543 has 2 divisors, whose sum is σ = 25223054544. Its totient is φ = 25223054542.

The previous prime is 25223054503. The next prime is 25223054561. The reversal of 25223054543 is 34545032252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25223054543 - 2¹⁶ = 25222989007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25223054503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611527271 + 12611527272.

It is an arithmetic number, because the mean of its divisors is an integer number (12611527272).

Almost surely, 2^25223054543 is an apocalyptic number.

25223054543 is a deficient number, since it is larger than the sum of its proper divisors (1).

25223054543 is an equidigital number, since it uses as much as digits as its factorization.

25223054543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 25223054543 its reverse (34545032252), we get a palindrome (59768086795).

The spelling of 25223054543 in words is "twenty-five billion, two hundred twenty-three million, fifty-four thousand, five hundred forty-three".