25552012 has 12 divisors (see below), whose sum is σ = 45112536. Its totient is φ = 12662720.

The previous prime is 25551961. The next prime is 25552013. The reversal of 25552012 is 21025552.

It is not an unprimeable number, because it can be changed into a prime (25552013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27814 + ... + 28717.

It is an arithmetic number, because the mean of its divisors is an integer number (3759378).

Almost surely, 2^25552012 is an apocalyptic number.

It is an amenable number.

25552012 is a deficient number, since it is larger than the sum of its proper divisors (19560524).

25552012 is a wasteful number, since it uses less digits than its factorization.

25552012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56648 (or 56646 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 25552012 is about 5054.8998011830. The cubic root of 25552012 is about 294.5382491783.

Adding to 25552012 its reverse (21025552), we get a palindrome (46577564).

The spelling of 25552012 in words is "twenty-five million, five hundred fifty-two thousand, twelve".