25498752 has 32 divisors (see below), whose sum is σ = 67732080. Its totient is φ = 8499456.

The previous prime is 25498747. The next prime is 25498807. The reversal of 25498752 is 25789452.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32818 + ... + 33585.

Almost surely, 2^25498752 is an apocalyptic number.

It is an amenable number.

25498752 is an abundant number, since it is smaller than the sum of its proper divisors (42233328).

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

25498752 is an equidigital number, since it uses as much as digits as its factorization.

25498752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66420 (or 66408 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 25498752 is about 5049.6288972557. The cubic root of 25498752 is about 294.3334640122. Note that the first 3 decimals are identical.

The spelling of 25498752 in words is "twenty-five million, four hundred ninety-eight thousand, seven hundred fifty-two".