25552805252 has 24 divisors (see below), whose sum is σ = 48225202200. Its totient is φ = 11776951296.

The previous prime is 25552805237. The next prime is 25552805263. The reversal of 25552805252 is 25250825552.

It can be written as a sum of positive squares in 4 ways, for example, as 920758336 + 24632046916 = 30344^2 + 156946^2 .

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 7 ways as a sum of consecutive naturals, for example, 309677 + ... + 383412.

It is an arithmetic number, because the mean of its divisors is an integer number (2009383425).

Almost surely, 2^25552805252 is an apocalyptic number.

It is an amenable number.

25552805252 is a deficient number, since it is larger than the sum of its proper divisors (22672396948).

25552805252 is a wasteful number, since it uses less digits than its factorization.

25552805252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693815 (or 693813 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 25552805252 in words is "twenty-five billion, five hundred fifty-two million, eight hundred five thousand, two hundred fifty-two".