25552106 has 4 divisors (see below), whose sum is σ = 38328162. Its totient is φ = 12776052.

The previous prime is 25552099. The next prime is 25552123. The reversal of 25552106 is 60125552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14891881 + 10660225 = 3859^2 + 3265^2 .

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 as a sum of consecutive naturals, namely, 6388025 + ... + 6388028.

Almost surely, 2^25552106 is an apocalyptic number.

25552106 is a deficient number, since it is larger than the sum of its proper divisors (12776056).

25552106 is a wasteful number, since it uses less digits than its factorization.

25552106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12776055.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 25552106 is about 5054.9090990838. The cubic root of 25552106 is about 294.5386103574.

Adding to 25552106 its reverse (60125552), we get a palindrome (85677658).

The spelling of 25552106 in words is "twenty-five million, five hundred fifty-two thousand, one hundred six".