25732065 has 8 divisors (see below), whose sum is σ = 41171328. Its totient is φ = 13723760.

The previous prime is 25732037. The next prime is 25732079. The reversal of 25732065 is 56023752.

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

It is not a de Polignac number, because 25732065 - 2⁸ = 25731809 is a prime.

It is a Curzon 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, 857721 + ... + 857750.

It is an arithmetic number, because the mean of its divisors is an integer number (5146416).

Almost surely, 2^25732065 is an apocalyptic number.

It is an amenable number.

25732065 is a deficient number, since it is larger than the sum of its proper divisors (15439263).

25732065 is a wasteful number, since it uses less digits than its factorization.

25732065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715479.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 25732065 is about 5072.6782866647. The cubic root of 25732065 is about 295.2284546532.

The spelling of 25732065 in words is "twenty-five million, seven hundred thirty-two thousand, sixty-five".