25696207 has 4 divisors (see below), whose sum is σ = 25780216. Its totient is φ = 25612200.

The previous prime is 25696171. The next prime is 25696247. The reversal of 25696207 is 70269652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25696207 - 2⁷ = 25696079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25696247) 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 in 3 ways as a sum of consecutive naturals, for example, 41544 + ... + 42157.

It is an arithmetic number, because the mean of its divisors is an integer number (6445054).

Almost surely, 2^25696207 is an apocalyptic number.

25696207 is a deficient number, since it is larger than the sum of its proper divisors (84009).

25696207 is an equidigital number, since it uses as much as digits as its factorization.

25696207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84008.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 25696207 is about 5069.1426296761. The cubic root of 25696207 is about 295.0912558816.

The spelling of 25696207 in words is "twenty-five million, six hundred ninety-six thousand, two hundred seven".