25167265 has 4 divisors (see below), whose sum is σ = 30200724. Its totient is φ = 20133808.

The previous prime is 25167253. The next prime is 25167301. The reversal of 25167265 is 56276152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19368801 + 5798464 = 4401^2 + 2408^2 .

It is a cyclic number.

It is not a de Polignac number, because 25167265 - 2⁹ = 25166753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25167265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2516722 + ... + 2516731.

It is an arithmetic number, because the mean of its divisors is an integer number (7550181).

Almost surely, 2^25167265 is an apocalyptic number.

It is an amenable number.

25167265 is a deficient number, since it is larger than the sum of its proper divisors (5033459).

25167265 is an equidigital number, since it uses as much as digits as its factorization.

25167265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033458.

The product of its digits is 25200, while the sum is 34.

The square root of 25167265 is about 5016.6986156236. The cubic root of 25167265 is about 293.0524392935.

The spelling of 25167265 in words is "twenty-five million, one hundred sixty-seven thousand, two hundred sixty-five".