25708847 has 2 divisors, whose sum is σ = 25708848. Its totient is φ = 25708846.

The previous prime is 25708841. The next prime is 25708853. The reversal of 25708847 is 74880752.

It is a balanced prime because it is at equal distance from previous prime (25708841) and next prime (25708853).

It is a cyclic number.

It is not a de Polignac number, because 25708847 - 2⁴ = 25708831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25708841) 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 as a sum of consecutive naturals, namely, 12854423 + 12854424.

It is an arithmetic number, because the mean of its divisors is an integer number (12854424).

Almost surely, 2^25708847 is an apocalyptic number.

25708847 is a deficient number, since it is larger than the sum of its proper divisors (1).

25708847 is an equidigital number, since it uses as much as digits as its factorization.

25708847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 25708847 is about 5070.3892355518. The cubic root of 25708847 is about 295.1396332167.

The spelling of 25708847 in words is "twenty-five million, seven hundred eight thousand, eight hundred forty-seven".