25227965 has 16 divisors (see below), whose sum is σ = 34691328. Its totient is φ = 17252736.

The previous prime is 25227931. The next prime is 25227967. The reversal of 25227965 is 56972252.

It is a cyclic number.

It is not a de Polignac number, because 25227965 - 2¹⁰ = 25226941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25227967) by changing a digit.

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, 16889 + ... + 18321.

It is an arithmetic number, because the mean of its divisors is an integer number (2168208).

Almost surely, 2^25227965 is an apocalyptic number.

It is an amenable number.

25227965 is a deficient number, since it is larger than the sum of its proper divisors (9463363).

25227965 is a wasteful number, since it uses less digits than its factorization.

25227965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948.

The product of its digits is 75600, while the sum is 38.

The square root of 25227965 is about 5022.7447675549. The cubic root of 25227965 is about 293.2878509314.

The spelling of 25227965 in words is "twenty-five million, two hundred twenty-seven thousand, nine hundred sixty-five".