25703651 has 2 divisors, whose sum is σ = 25703652. Its totient is φ = 25703650.

The previous prime is 25703549. The next prime is 25703653. The reversal of 25703651 is 15630752.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25703651 is a prime.

Together with 25703653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25703653) 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, 12851825 + 12851826.

It is an arithmetic number, because the mean of its divisors is an integer number (12851826).

Almost surely, 2^25703651 is an apocalyptic number.

25703651 is a deficient number, since it is larger than the sum of its proper divisors (1).

25703651 is an equidigital number, since it uses as much as digits as its factorization.

25703651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 25703651 is about 5069.8768229613. The cubic root of 25703651 is about 295.1197483776.

The spelling of 25703651 in words is "twenty-five million, seven hundred three thousand, six hundred fifty-one".