25489795 has 4 divisors (see below), whose sum is σ = 30587760. Its totient is φ = 20391832.

The previous prime is 25489733. The next prime is 25489813. The reversal of 25489795 is 59798452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25489795 - 2¹¹ = 25487747 is a prime.

It is a Smith number, since the sum of its digits (49) 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 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, 2548975 + ... + 2548984.

It is an arithmetic number, because the mean of its divisors is an integer number (7646940).

Almost surely, 2^25489795 is an apocalyptic number.

25489795 is a deficient number, since it is larger than the sum of its proper divisors (5097965).

25489795 is an equidigital number, since it uses as much as digits as its factorization.

25489795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097964.

The product of its digits is 907200, while the sum is 49.

The square root of 25489795 is about 5048.7419224991. The cubic root of 25489795 is about 294.2989962653.

The spelling of 25489795 in words is "twenty-five million, four hundred eighty-nine thousand, seven hundred ninety-five".