25880145 has 8 divisors (see below), whose sum is σ = 41408256. Its totient is φ = 13802736.

The previous prime is 25880123. The next prime is 25880159. The reversal of 25880145 is 54108852.

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

It is not a de Polignac number, because 25880145 - 2⁶ = 25880081 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862657 + ... + 862686.

It is an arithmetic number, because the mean of its divisors is an integer number (5176032).

Almost surely, 2^25880145 is an apocalyptic number.

It is an amenable number.

25880145 is a deficient number, since it is larger than the sum of its proper divisors (15528111).

25880145 is a wasteful number, since it uses less digits than its factorization.

25880145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725351.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 25880145 is about 5087.2531881164. The cubic root of 25880145 is about 295.7936876493.

Adding to 25880145 its reverse (54108852), we get a palindrome (79988997).

The spelling of 25880145 in words is "twenty-five million, eight hundred eighty thousand, one hundred forty-five".