25552105 has 16 divisors (see below), whose sum is σ = 33225984. Its totient is φ = 18789120.

The previous prime is 25552099. The next prime is 25552123. The reversal of 25552105 is 50125552.

25552105 = 1594² + 1595² + ... + 1603².

It is a happy number.

It is not a de Polignac number, because 25552105 - 2⁵ = 25552073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25552105.

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 15 ways as a sum of consecutive naturals, for example, 160 + ... + 7150.

It is an arithmetic number, because the mean of its divisors is an integer number (2076624).

Almost surely, 2^25552105 is an apocalyptic number.

It is an amenable number.

25552105 is a deficient number, since it is larger than the sum of its proper divisors (7673879).

25552105 is a wasteful number, since it uses less digits than its factorization.

25552105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 25552105 is about 5054.9090001700. The cubic root of 25552105 is about 294.5386065151.

Adding to 25552105 its reverse (50125552), we get a palindrome (75677657).

The spelling of 25552105 in words is "twenty-five million, five hundred fifty-two thousand, one hundred five".