25092565 has 4 divisors (see below), whose sum is σ = 30111084. Its totient is φ = 20074048.

The previous prime is 25092553. The next prime is 25092577. The reversal of 25092565 is 56529052.

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

It is an interprime number because it is at equal distance from previous prime (25092553) and next prime (25092577).

It can be written as a sum of positive squares in 2 ways, for example, as 14182756 + 10909809 = 3766^2 + 3303^2 .

It is a cyclic number.

It is not a de Polignac number, because 25092565 - 2¹⁷ = 24961493 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 25092565.

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, 2509252 + ... + 2509261.

It is an arithmetic number, because the mean of its divisors is an integer number (7527771).

Almost surely, 2^25092565 is an apocalyptic number.

It is an amenable number.

25092565 is a deficient number, since it is larger than the sum of its proper divisors (5018519).

25092565 is an equidigital number, since it uses as much as digits as its factorization.

25092565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018518.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 25092565 is about 5009.2479475466. The cubic root of 25092565 is about 292.7622116036.

The spelling of 25092565 in words is "twenty-five million, ninety-two thousand, five hundred sixty-five".