25323110441 has 4 divisors (see below), whose sum is σ = 25324656084. Its totient is φ = 25321564800.

The previous prime is 25323110431. The next prime is 25323110471. The reversal of 25323110441 is 14401132352.

It is a happy number.

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 3624642025 + 21698468416 = 60205^2 + 147304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25323110441 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 25323110441.

It is not an unprimeable number, because it can be changed into a prime (25323110411) 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, 747980 + ... + 781101.

It is an arithmetic number, because the mean of its divisors is an integer number (6331164021).

Almost surely, 2^25323110441 is an apocalyptic number.

It is an amenable number.

25323110441 is a deficient number, since it is larger than the sum of its proper divisors (1545643).

25323110441 is a wasteful number, since it uses less digits than its factorization.

25323110441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545642.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 25323110441 its reverse (14401132352), we get a palindrome (39724242793).

The spelling of 25323110441 in words is "twenty-five billion, three hundred twenty-three million, one hundred ten thousand, four hundred forty-one".