25606065 has 8 divisors (see below), whose sum is σ = 40969728. Its totient is φ = 13656560.

The previous prime is 25606057. The next prime is 25606067. The reversal of 25606065 is 56060652.

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

It is not a de Polignac number, because 25606065 - 2³ = 25606057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25606067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853521 + ... + 853550.

It is an arithmetic number, because the mean of its divisors is an integer number (5121216).

Almost surely, 2^25606065 is an apocalyptic number.

It is an amenable number.

25606065 is a deficient number, since it is larger than the sum of its proper divisors (15363663).

25606065 is a wasteful number, since it uses less digits than its factorization.

25606065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707079.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 25606065 is about 5060.2435712128. The cubic root of 25606065 is about 294.7457926899.

The spelling of 25606065 in words is "twenty-five million, six hundred six thousand, sixty-five".