25745065 has 4 divisors (see below), whose sum is σ = 30894084. Its totient is φ = 20596048.

The previous prime is 25745051. The next prime is 25745087. The reversal of 25745065 is 56054752.

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 9960336 + 15784729 = 3156^2 + 3973^2 .

It is a cyclic number.

It is not a de Polignac number, because 25745065 - 2⁷ = 25744937 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 25745065.

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, 2574502 + ... + 2574511.

It is an arithmetic number, because the mean of its divisors is an integer number (7723521).

Almost surely, 2^25745065 is an apocalyptic number.

It is an amenable number.

25745065 is a deficient number, since it is larger than the sum of its proper divisors (5149019).

25745065 is an equidigital number, since it uses as much as digits as its factorization.

25745065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149018.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 25745065 is about 5073.9594992471. The cubic root of 25745065 is about 295.2781633696.

The spelling of 25745065 in words is "twenty-five million, seven hundred forty-five thousand, sixty-five".