25986873 has 16 divisors (see below), whose sum is σ = 37884672. Its totient is φ = 15714000.

The previous prime is 25986869. The next prime is 25986881. The reversal of 25986873 is 37868952.

It is not a de Polignac number, because 25986873 - 2² = 25986869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25985873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26278 + ... + 27248.

It is an arithmetic number, because the mean of its divisors is an integer number (2367792).

Almost surely, 2^25986873 is an apocalyptic number.

It is an amenable number.

25986873 is a deficient number, since it is larger than the sum of its proper divisors (11897799).

25986873 is a wasteful number, since it uses less digits than its factorization.

25986873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796.

The product of its digits is 725760, while the sum is 48.

The square root of 25986873 is about 5097.7321428259. The cubic root of 25986873 is about 296.1997411581.

The spelling of 25986873 in words is "twenty-five million, nine hundred eighty-six thousand, eight hundred seventy-three".