25547252 has 12 divisors (see below), whose sum is σ = 44789220. Its totient is φ = 12750336.

The previous prime is 25547239. The next prime is 25547287. The reversal of 25547252 is 25274552.

It can be written as a sum of positive squares in 2 ways, for example, as 15649936 + 9897316 = 3956^2 + 3146^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3227 + ... + 7842.

It is an arithmetic number, because the mean of its divisors is an integer number (3732435).

Almost surely, 2^25547252 is an apocalyptic number.

It is an amenable number.

25547252 is a deficient number, since it is larger than the sum of its proper divisors (19241968).

25547252 is a wasteful number, since it uses less digits than its factorization.

25547252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11650 (or 11648 counting only the distinct ones).

The product of its digits is 28000, while the sum is 32.

The square root of 25547252 is about 5054.4289489516. The cubic root of 25547252 is about 294.5199585230.

The spelling of 25547252 in words is "twenty-five million, five hundred forty-seven thousand, two hundred fifty-two".