25385065 has 4 divisors (see below), whose sum is σ = 30462084. Its totient is φ = 20308048.

The previous prime is 25385057. The next prime is 25385081. The reversal of 25385065 is 56058352.

It is a happy number.

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 3031081 + 22353984 = 1741^2 + 4728^2 .

It is a cyclic number.

It is not a de Polignac number, because 25385065 - 2³ = 25385057 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 25385065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2538502 + ... + 2538511.

It is an arithmetic number, because the mean of its divisors is an integer number (7615521).

Almost surely, 2^25385065 is an apocalyptic number.

It is an amenable number.

25385065 is a deficient number, since it is larger than the sum of its proper divisors (5077019).

25385065 is an equidigital number, since it uses as much as digits as its factorization.

25385065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077018.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 25385065 is about 5038.3593559809. The cubic root of 25385065 is about 293.8953805801.

The spelling of 25385065 in words is "twenty-five million, three hundred eighty-five thousand, sixty-five".