25536845 has 16 divisors (see below), whose sum is σ = 31664640. Its totient is φ = 19756224.

The previous prime is 25536827. The next prime is 25536853. The reversal of 25536845 is 54863552.

It is not a de Polignac number, because 25536845 - 2¹⁰ = 25535821 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 25536799 and 25536808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40946 + ... + 41564.

It is an arithmetic number, because the mean of its divisors is an integer number (1979040).

Almost surely, 2^25536845 is an apocalyptic number.

It is an amenable number.

25536845 is a deficient number, since it is larger than the sum of its proper divisors (6127795).

25536845 is a wasteful number, since it uses less digits than its factorization.

25536845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884.

The product of its digits is 144000, while the sum is 38.

The square root of 25536845 is about 5053.3993509320. The cubic root of 25536845 is about 294.4799609334.

The spelling of 25536845 in words is "twenty-five million, five hundred thirty-six thousand, eight hundred forty-five".