25696633 has 2 divisors, whose sum is σ = 25696634. Its totient is φ = 25696632.

The previous prime is 25696597. The next prime is 25696637. The reversal of 25696633 is 33669652.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24078649 + 1617984 = 4907^2 + 1272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25696633 is a prime.

It is not a weakly prime, because it can be changed into another prime (25696637) 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, 12848316 + 12848317.

It is an arithmetic number, because the mean of its divisors is an integer number (12848317).

Almost surely, 2^25696633 is an apocalyptic number.

It is an amenable number.

25696633 is a deficient number, since it is larger than the sum of its proper divisors (1).

25696633 is an equidigital number, since it uses as much as digits as its factorization.

25696633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 40.

The square root of 25696633 is about 5069.1846484420. The cubic root of 25696633 is about 295.0928865785.

The spelling of 25696633 in words is "twenty-five million, six hundred ninety-six thousand, six hundred thirty-three".