25097006328 has 64 divisors (see below), whose sum is σ = 64335855360. Its totient is φ = 8155800576.

The previous prime is 25097006293. The next prime is 25097006329. The reversal of 25097006328 is 82360079052.

It is a self number, because there is not a number n which added to its sum of digits gives 25097006328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25097006329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75525 + ... + 236427.

It is an arithmetic number, because the mean of its divisors is an integer number (1005247740).

Almost surely, 2^25097006328 is an apocalyptic number.

It is an amenable number.

25097006328 is an abundant number, since it is smaller than the sum of its proper divisors (39238849032).

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

25097006328 is a wasteful number, since it uses less digits than its factorization.

25097006328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161076 (or 161072 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 25097006328 in words is "twenty-five billion, ninety-seven million, six thousand, three hundred twenty-eight".