25845045 has 8 divisors (see below), whose sum is σ = 41352096. Its totient is φ = 13784016.

The previous prime is 25845019. The next prime is 25845067. The reversal of 25845045 is 54054852.

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

It is not a de Polignac number, because 25845045 - 2¹⁵ = 25812277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25844997 and 25845015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861487 + ... + 861516.

It is an arithmetic number, because the mean of its divisors is an integer number (5169012).

Almost surely, 2^25845045 is an apocalyptic number.

It is an amenable number.

25845045 is a deficient number, since it is larger than the sum of its proper divisors (15507051).

25845045 is a wasteful number, since it uses less digits than its factorization.

25845045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723011.

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 25845045 is about 5083.8022188122. The cubic root of 25845045 is about 295.6599035499.

Adding to 25845045 its reverse (54054852), we get a palindrome (79899897).

The spelling of 25845045 in words is "twenty-five million, eight hundred forty-five thousand, forty-five".