25986473 has 4 divisors (see below), whose sum is σ = 26028288. Its totient is φ = 25944660.

The previous prime is 25986451. The next prime is 25986511. The reversal of 25986473 is 37468952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25986473 - 2⁶ = 25986409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25986403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19961 + ... + 21222.

It is an arithmetic number, because the mean of its divisors is an integer number (6507072).

Almost surely, 2^25986473 is an apocalyptic number.

It is an amenable number.

25986473 is a deficient number, since it is larger than the sum of its proper divisors (41815).

25986473 is an equidigital number, since it uses as much as digits as its factorization.

25986473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41814.

The product of its digits is 362880, while the sum is 44.

The square root of 25986473 is about 5097.6929095425. The cubic root of 25986473 is about 296.1982214099.

The spelling of 25986473 in words is "twenty-five million, nine hundred eighty-six thousand, four hundred seventy-three".