25223322413 has 4 divisors (see below), whose sum is σ = 25506730620. Its totient is φ = 24939914208.

The previous prime is 25223322403. The next prime is 25223322427. The reversal of 25223322413 is 31422332252.

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 3620789929 + 21602532484 = 60173^2 + 146978^2 .

It is a cyclic number.

It is not a de Polignac number, because 25223322413 - 2¹² = 25223318317 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 (25223322403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141703970 + ... + 141704147.

It is an arithmetic number, because the mean of its divisors is an integer number (6376682655).

Almost surely, 2^25223322413 is an apocalyptic number.

It is an amenable number.

25223322413 is a deficient number, since it is larger than the sum of its proper divisors (283408207).

25223322413 is an equidigital number, since it uses as much as digits as its factorization.

25223322413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283408206.

The product of its digits is 17280, while the sum is 29.

Adding to 25223322413 its reverse (31422332252), we get a palindrome (56645654665).

The spelling of 25223322413 in words is "twenty-five billion, two hundred twenty-three million, three hundred twenty-two thousand, four hundred thirteen".