25325534752 has 72 divisors (see below), whose sum is σ = 58865912784. Its totient is φ = 10691759232.

The previous prime is 25325534749. The next prime is 25325534821. The reversal of 25325534752 is 25743552352.

It is a junction number, because it is equal to n+sod(n) for n = 25325534699 and 25325534708.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 15478 + ... + 225589.

It is an arithmetic number, because the mean of its divisors is an integer number (817582122).

Almost surely, 2^25325534752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25325534752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29432956392).

25325534752 is an abundant number, since it is smaller than the sum of its proper divisors (33540378032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25325534752 is a wasteful number, since it uses less digits than its factorization.

25325534752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241158 (or 241143 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 43.

The spelling of 25325534752 in words is "twenty-five billion, three hundred twenty-five million, five hundred thirty-four thousand, seven hundred fifty-two".