25423022113 has 4 divisors (see below), whose sum is σ = 26918494020. Its totient is φ = 23927550208.

The previous prime is 25423022111. The next prime is 25423022189. The reversal of 25423022113 is 31122032452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7439407504 + 17983614609 = 86252^2 + 134103^2 .

It is a cyclic number.

It is not a de Polignac number, because 25423022113 - 2¹ = 25423022111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25423022111) 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, 747735928 + ... + 747735961.

It is an arithmetic number, because the mean of its divisors is an integer number (6729623505).

Almost surely, 2^25423022113 is an apocalyptic number.

It is an amenable number.

25423022113 is a deficient number, since it is larger than the sum of its proper divisors (1495471907).

25423022113 is a wasteful number, since it uses less digits than its factorization.

25423022113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495471906.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 25423022113 its reverse (31122032452), we get a palindrome (56545054565).

The spelling of 25423022113 in words is "twenty-five billion, four hundred twenty-three million, twenty-two thousand, one hundred thirteen".