25672307 has 2 divisors, whose sum is σ = 25672308. Its totient is φ = 25672306.

The previous prime is 25672291. The next prime is 25672349. The reversal of 25672307 is 70327652.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25672307 - 2⁴ = 25672291 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (25692307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12836153 + 12836154.

It is an arithmetic number, because the mean of its divisors is an integer number (12836154).

Almost surely, 2^25672307 is an apocalyptic number.

25672307 is a deficient number, since it is larger than the sum of its proper divisors (1).

25672307 is an equidigital number, since it uses as much as digits as its factorization.

25672307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 25672307 is about 5066.7846806431. The cubic root of 25672307 is about 294.9997395382. Note that the first 3 decimals are identical.

Adding to 25672307 its reverse (70327652), we get a palindrome (95999959).

The spelling of 25672307 in words is "twenty-five million, six hundred seventy-two thousand, three hundred seven".