25828307 has 2 divisors, whose sum is σ = 25828308. Its totient is φ = 25828306.

The previous prime is 25828303. The next prime is 25828343. The reversal of 25828307 is 70382852.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25828307 - 2² = 25828303 is a prime.

It is not a weakly prime, because it can be changed into another prime (25828303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12914153 + 12914154.

It is an arithmetic number, because the mean of its divisors is an integer number (12914154).

Almost surely, 2^25828307 is an apocalyptic number.

25828307 is a deficient number, since it is larger than the sum of its proper divisors (1).

25828307 is an equidigital number, since it uses as much as digits as its factorization.

25828307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 25828307 is about 5082.1557433829. The cubic root of 25828307 is about 295.5960637930.

The spelling of 25828307 in words is "twenty-five million, eight hundred twenty-eight thousand, three hundred seven".