25229823005 has 4 divisors (see below), whose sum is σ = 30275787612. Its totient is φ = 20183858400.

The previous prime is 25229822977. The next prime is 25229823011. The reversal of 25229823005 is 50032892252.

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 8961840889 + 16267982116 = 94667^2 + 127546^2 .

It is not a de Polignac number, because 25229823005 - 2⁸ = 25229822749 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 25229823005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522982296 + ... + 2522982305.

It is an arithmetic number, because the mean of its divisors is an integer number (7568946903).

Almost surely, 2^25229823005 is an apocalyptic number.

It is an amenable number.

25229823005 is a deficient number, since it is larger than the sum of its proper divisors (5045964607).

25229823005 is an equidigital number, since it uses as much as digits as its factorization.

25229823005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045964606.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 25229823005 in words is "twenty-five billion, two hundred twenty-nine million, eight hundred twenty-three thousand, five".