25425433452452 has 24 divisors (see below), whose sum is σ = 48592980438240. Its totient is φ = 11544273164160.

The previous prime is 25425433452427. The next prime is 25425433452457.

25425433452452 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25425433452452.

It is not an unprimeable number, because it can be changed into a prime (25425433452457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318510677 + ... + 318590492.

It is an arithmetic number, because the mean of its divisors is an integer number (2024707518260).

Almost surely, 2^{25425433452452} is an apocalyptic number.

25425433452452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25425433452452 is a deficient number, since it is larger than the sum of its proper divisors (23167546985788).

25425433452452 is a wasteful number, since it uses less digits than its factorization.

25425433452452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637102091 (or 637102089 counting only the distinct ones).

The product of its digits is 23040000, while the sum is 50.

It can be divided in two parts, 2542543 and 3452452, that added together give a palindrome (5994995).

The spelling of 25425433452452 in words is "twenty-five trillion, four hundred twenty-five billion, four hundred thirty-three million, four hundred fifty-two thousand, four hundred fifty-two".