25233242351 has 6 divisors (see below), whose sum is σ = 25933655160. Its totient is φ = 24551261496.

The previous prime is 25233242317. The next prime is 25233242357. The reversal of 25233242351 is 15324233252.

It is a de Polignac number, because none of the positive numbers 2^k-25233242351 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 (25233242357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9214571 + ... + 9217308.

It is an arithmetic number, because the mean of its divisors is an integer number (4322275860).

Almost surely, 2^25233242351 is an apocalyptic number.

25233242351 is a deficient number, since it is larger than the sum of its proper divisors (700412809).

25233242351 is an equidigital number, since it uses as much as digits as its factorization.

25233242351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431953 (or 18431916 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

Subtracting from 25233242351 its reverse (15324233252), we obtain a palindrome (9909009099).

The spelling of 25233242351 in words is "twenty-five billion, two hundred thirty-three million, two hundred forty-two thousand, three hundred fifty-one".