25006525432 has 16 divisors (see below), whose sum is σ = 53585411760. Its totient is φ = 10717082304.

The previous prime is 25006525421. The next prime is 25006525457. The reversal of 25006525432 is 23452560052.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 223272493 + ... + 223272604.

It is an arithmetic number, because the mean of its divisors is an integer number (3349088235).

Almost surely, 2^25006525432 is an apocalyptic number.

It is an amenable number.

25006525432 is an abundant number, since it is smaller than the sum of its proper divisors (28578886328).

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

25006525432 is a wasteful number, since it uses less digits than its factorization.

25006525432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446545110 (or 446545106 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 25006525432 in words is "twenty-five billion, six million, five hundred twenty-five thousand, four hundred thirty-two".