25525065 has 32 divisors (see below), whose sum is σ = 42166656. Its totient is φ = 13178880.

The previous prime is 25525063. The next prime is 25525067. The reversal of 25525065 is 56052552.

It is an interprime number because it is at equal distance from previous prime (25525063) and next prime (25525067).

It is not a de Polignac number, because 25525065 - 2¹ = 25525063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25525063) 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 31 ways as a sum of consecutive naturals, for example, 76950 + ... + 77280.

It is an arithmetic number, because the mean of its divisors is an integer number (1317708).

Almost surely, 2^25525065 is an apocalyptic number.

It is an amenable number.

25525065 is a deficient number, since it is larger than the sum of its proper divisors (16641591).

25525065 is a wasteful number, since it uses less digits than its factorization.

25525065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489.

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

The square root of 25525065 is about 5052.2336644300. The cubic root of 25525065 is about 294.4346733305.

The spelling of 25525065 in words is "twenty-five million, five hundred twenty-five thousand, sixty-five".