25825045 has 8 divisors (see below), whose sum is σ = 31575096. Its totient is φ = 20270016.

The previous prime is 25825031. The next prime is 25825049. The reversal of 25825045 is 54052852.

It can be written as a sum of positive squares in 4 ways, for example, as 6517809 + 19307236 = 2553^2 + 4394^2 .

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 25825045 - 2¹⁷ = 25693973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25824998 and 25825016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25825049) 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 7 ways as a sum of consecutive naturals, for example, 48462 + ... + 48991.

It is an arithmetic number, because the mean of its divisors is an integer number (3946887).

Almost surely, 2^25825045 is an apocalyptic number.

It is an amenable number.

25825045 is a deficient number, since it is larger than the sum of its proper divisors (5750051).

25825045 is an equidigital number, since it uses as much as digits as its factorization.

25825045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97511.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 25825045 is about 5081.8348064454. The cubic root of 25825045 is about 295.5836191142.

Adding to 25825045 its reverse (54052852), we get a palindrome (79877897).

The spelling of 25825045 in words is "twenty-five million, eight hundred twenty-five thousand, forty-five".