25304065 has 4 divisors (see below), whose sum is σ = 30364884. Its totient is φ = 20243248.

The previous prime is 25304051. The next prime is 25304077. The reversal of 25304065 is 56040352.

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 17943696 + 7360369 = 4236^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 25304065 - 2¹⁵ = 25271297 is a prime.

It is a Duffinian number.

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, 2530402 + ... + 2530411.

It is an arithmetic number, because the mean of its divisors is an integer number (7591221).

Almost surely, 2^25304065 is an apocalyptic number.

It is an amenable number.

25304065 is a deficient number, since it is larger than the sum of its proper divisors (5060819).

25304065 is an equidigital number, since it uses as much as digits as its factorization.

25304065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060818.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 25304065 is about 5030.3146024876. The cubic root of 25304065 is about 293.5824552336.

The spelling of 25304065 in words is "twenty-five million, three hundred four thousand, sixty-five".