25826245 has 8 divisors (see below), whose sum is σ = 31067640. Its totient is φ = 20610240.

The previous prime is 25826237. The next prime is 25826261. The reversal of 25826245 is 54262852.

It can be written as a sum of positive squares in 4 ways, for example, as 1442401 + 24383844 = 1201^2 + 4938^2 .

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

It is not a de Polignac number, because 25826245 - 2³ = 25826237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25826245.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 4030 + ... + 8239.

It is an arithmetic number, because the mean of its divisors is an integer number (3883455).

Almost surely, 2^25826245 is an apocalyptic number.

It is an amenable number.

25826245 is a deficient number, since it is larger than the sum of its proper divisors (5241395).

25826245 is a wasteful number, since it uses less digits than its factorization.

25826245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12695.

The product of its digits is 38400, while the sum is 34.

The square root of 25826245 is about 5081.9528726662. The cubic root of 25826245 is about 295.5881972908.

The spelling of 25826245 in words is "twenty-five million, eight hundred twenty-six thousand, two hundred forty-five".