25651065 has 16 divisors (see below), whose sum is σ = 44773056. Its totient is φ = 12436800.

The previous prime is 25651061. The next prime is 25651069. The reversal of 25651065 is 56015652.

It is an interprime number because it is at equal distance from previous prime (25651061) and next prime (25651069).

It is not a de Polignac number, because 25651065 - 2² = 25651061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25651061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77566 + ... + 77895.

It is an arithmetic number, because the mean of its divisors is an integer number (2798316).

Almost surely, 2^25651065 is an apocalyptic number.

It is an amenable number.

25651065 is a deficient number, since it is larger than the sum of its proper divisors (19121991).

25651065 is a wasteful number, since it uses less digits than its factorization.

25651065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155480.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 25651065 is about 5064.6880456747. The cubic root of 25651065 is about 294.9183533505.

The spelling of 25651065 in words is "twenty-five million, six hundred fifty-one thousand, sixty-five".