25433867 has 2 divisors, whose sum is σ = 25433868. Its totient is φ = 25433866.

The previous prime is 25433851. The next prime is 25433869. The reversal of 25433867 is 76833452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25433867 - 2⁴ = 25433851 is a prime.

Together with 25433869, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25433867.

It is not a weakly prime, because it can be changed into another prime (25433869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12716933 + 12716934.

It is an arithmetic number, because the mean of its divisors is an integer number (12716934).

Almost surely, 2^25433867 is an apocalyptic number.

25433867 is a deficient number, since it is larger than the sum of its proper divisors (1).

25433867 is an equidigital number, since it uses as much as digits as its factorization.

25433867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 25433867 is about 5043.2000753490. The cubic root of 25433867 is about 294.0835949369.

The spelling of 25433867 in words is "twenty-five million, four hundred thirty-three thousand, eight hundred sixty-seven".