25945065 has 24 divisors (see below), whose sum is σ = 45122688. Its totient is φ = 13790880.

The previous prime is 25945063. The next prime is 25945067. The reversal of 25945065 is 56054952.

25945065 is a `hidden beast` number, since 2 + 594 + 5 + 0 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (25945063) and next prime (25945067).

It is not a de Polignac number, because 25945065 - 2¹ = 25945063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25945061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15730 + ... + 17300.

It is an arithmetic number, because the mean of its divisors is an integer number (1880112).

Almost surely, 2^25945065 is an apocalyptic number.

It is an amenable number.

25945065 is a deficient number, since it is larger than the sum of its proper divisors (19177623).

25945065 is a wasteful number, since it uses less digits than its factorization.

25945065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 25945065 is about 5093.6298452086. The cubic root of 25945065 is about 296.0408126401.

The spelling of 25945065 in words is "twenty-five million, nine hundred forty-five thousand, sixty-five".