25562065 has 8 divisors (see below), whose sum is σ = 31422888. Its totient is φ = 19950720.

The previous prime is 25562057. The next prime is 25562071. The reversal of 25562065 is 56026552.

It can be written as a sum of positive squares in 4 ways, for example, as 321489 + 25240576 = 567^2 + 5024^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25562065 - 2³ = 25562057 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62142 + ... + 62551.

It is an arithmetic number, because the mean of its divisors is an integer number (3927861).

Almost surely, 2^25562065 is an apocalyptic number.

It is an amenable number.

25562065 is a deficient number, since it is larger than the sum of its proper divisors (5860823).

25562065 is a wasteful number, since it uses less digits than its factorization.

25562065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124739.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 25562065 is about 5055.8940851248. The cubic root of 25562065 is about 294.5768711178.

The spelling of 25562065 in words is "twenty-five million, five hundred sixty-two thousand, sixty-five".