25025425246231 has 4 divisors (see below), whose sum is σ = 25059106842192. Its totient is φ = 24991743650272.

The previous prime is 25025425246141. The next prime is 25025425246249. The reversal of 25025425246231 is 13264252452052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25025425246231 is a prime.

It is a super-2 number, since 2×25025425246231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25025425246831) 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, 16840796866 + ... + 16840798351.

It is an arithmetic number, because the mean of its divisors is an integer number (6264776710548).

Almost surely, 2^{25025425246231} is an apocalyptic number.

25025425246231 is a deficient number, since it is larger than the sum of its proper divisors (33681595961).

25025425246231 is an equidigital number, since it uses as much as digits as its factorization.

25025425246231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33681595960.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 25025425246231 its reverse (13264252452052), we get a palindrome (38289677698283).

The spelling of 25025425246231 in words is "twenty-five trillion, twenty-five billion, four hundred twenty-five million, two hundred forty-six thousand, two hundred thirty-one".