25376825 has 6 divisors (see below), whose sum is σ = 31467294. Its totient is φ = 20301440.

The previous prime is 25376821. The next prime is 25376839. The reversal of 25376825 is 52867352.

It can be written as a sum of positive squares in 3 ways, for example, as 8369449 + 17007376 = 2893^2 + 4124^2 .

It is not a de Polignac number, because 25376825 - 2² = 25376821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25376821) 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 5 ways as a sum of consecutive naturals, for example, 507512 + ... + 507561.

It is an arithmetic number, because the mean of its divisors is an integer number (5244549).

Almost surely, 2^25376825 is an apocalyptic number.

25376825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25376825 is a deficient number, since it is larger than the sum of its proper divisors (6090469).

25376825 is a wasteful number, since it uses less digits than its factorization.

25376825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015083 (or 1015078 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 25376825 is about 5037.5415631040. The cubic root of 25376825 is about 293.8635776281.

The spelling of 25376825 in words is "twenty-five million, three hundred seventy-six thousand, eight hundred twenty-five".