25552065 has 32 divisors (see below), whose sum is σ = 50973696. Its totient is φ = 10618560.

The previous prime is 25552027. The next prime is 25552073. The reversal of 25552065 is 56025552.

It is not a de Polignac number, because 25552065 - 2⁷ = 25551937 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9907 + ... + 12216.

It is an arithmetic number, because the mean of its divisors is an integer number (1592928).

Almost surely, 2^25552065 is an apocalyptic number.

It is an amenable number.

25552065 is a deficient number, since it is larger than the sum of its proper divisors (25421631).

25552065 is a wasteful number, since it uses less digits than its factorization.

25552065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22149.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 25552065 is about 5054.9050436185. The cubic root of 25552065 is about 294.5384528220.

The spelling of 25552065 in words is "twenty-five million, five hundred fifty-two thousand, sixty-five".