25325213203 has 4 divisors (see below), whose sum is σ = 25549330248. Its totient is φ = 25101096160.

The previous prime is 25325213171. The next prime is 25325213237. The reversal of 25325213203 is 30231252352.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 25325213203 - 2⁵ = 25325213171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25325213603) 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, 112058353 + ... + 112058578.

It is an arithmetic number, because the mean of its divisors is an integer number (6387332562).

Almost surely, 2^25325213203 is an apocalyptic number.

25325213203 is a deficient number, since it is larger than the sum of its proper divisors (224117045).

25325213203 is a wasteful number, since it uses less digits than its factorization.

25325213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224117044.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 25325213203 its reverse (30231252352), we get a palindrome (55556465555).

The spelling of 25325213203 in words is "twenty-five billion, three hundred twenty-five million, two hundred thirteen thousand, two hundred three".