25785473 has 8 divisors (see below), whose sum is σ = 29682240. Its totient is φ = 21942000.

The previous prime is 25785449. The next prime is 25785479. The reversal of 25785473 is 37458752.

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

It is a cyclic number.

It is not a de Polignac number, because 25785473 - 2⁸ = 25785217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25785473.

It is not an unprimeable number, because it can be changed into a prime (25785479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12278 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (3710280).

Almost surely, 2^25785473 is an apocalyptic number.

It is an amenable number.

25785473 is a deficient number, since it is larger than the sum of its proper divisors (3896767).

25785473 is a wasteful number, since it uses less digits than its factorization.

25785473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26647.

The product of its digits is 235200, while the sum is 41.

The square root of 25785473 is about 5077.9398381627. The cubic root of 25785473 is about 295.4325665931.

The spelling of 25785473 in words is "twenty-five million, seven hundred eighty-five thousand, four hundred seventy-three".