25845473 has 8 divisors (see below), whose sum is σ = 26190816. Its totient is φ = 25502400.

The previous prime is 25845439. The next prime is 25845509. The reversal of 25845473 is 37454852.

It is a happy number.

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 25845473 - 2¹⁶ = 25779937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25845433) by changing a digit.

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, 37058 + ... + 37748.

It is an arithmetic number, because the mean of its divisors is an integer number (3273852).

Almost surely, 2^25845473 is an apocalyptic number.

It is an amenable number.

25845473 is a deficient number, since it is larger than the sum of its proper divisors (345343).

25845473 is a wasteful number, since it uses less digits than its factorization.

25845473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135.

The product of its digits is 134400, while the sum is 38.

The square root of 25845473 is about 5083.8443131158. The cubic root of 25845473 is about 295.6615356067.

The spelling of 25845473 in words is "twenty-five million, eight hundred forty-five thousand, four hundred seventy-three".