25244253213 has 32 divisors (see below), whose sum is σ = 34807449600. Its totient is φ = 16263561600.

The previous prime is 25244253191. The next prime is 25244253227. The reversal of 25244253213 is 31235244252.

It is not a de Polignac number, because 25244253213 - 2¹⁶ = 25244187677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25244253253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11584158 + ... + 11586336.

It is an arithmetic number, because the mean of its divisors is an integer number (1087732800).

Almost surely, 2^25244253213 is an apocalyptic number.

It is an amenable number.

25244253213 is a deficient number, since it is larger than the sum of its proper divisors (9563196387).

25244253213 is a wasteful number, since it uses less digits than its factorization.

25244253213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073.

The product of its digits is 57600, while the sum is 33.

Adding to 25244253213 its reverse (31235244252), we get a palindrome (56479497465).

The spelling of 25244253213 in words is "twenty-five billion, two hundred forty-four million, two hundred fifty-three thousand, two hundred thirteen".