25468565 has 4 divisors (see below), whose sum is σ = 30562284. Its totient is φ = 20374848.

The previous prime is 25468559. The next prime is 25468579. The reversal of 25468565 is 56586452.

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 12802084 + 12666481 = 3578^2 + 3559^2 .

It is a cyclic number.

It is not a de Polignac number, because 25468565 - 2⁴ = 25468549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2546852 + ... + 2546861.

It is an arithmetic number, because the mean of its divisors is an integer number (7640571).

Almost surely, 2^25468565 is an apocalyptic number.

It is an amenable number.

25468565 is a deficient number, since it is larger than the sum of its proper divisors (5093719).

25468565 is an equidigital number, since it uses as much as digits as its factorization.

25468565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093718.

The product of its digits is 288000, while the sum is 41.

The square root of 25468565 is about 5046.6389805493. The cubic root of 25468565 is about 294.2172680926.

It can be divided in two parts, 2546 and 8565, that added together give a palindrome (11111).

The spelling of 25468565 in words is "twenty-five million, four hundred sixty-eight thousand, five hundred sixty-five".