25803667 has 2 divisors, whose sum is σ = 25803668. Its totient is φ = 25803666.

The previous prime is 25803641. The next prime is 25803683. The reversal of 25803667 is 76630852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25803667 is a prime.

It is not a weakly prime, because it can be changed into another prime (25803607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12901833 + 12901834.

It is an arithmetic number, because the mean of its divisors is an integer number (12901834).

Almost surely, 2^25803667 is an apocalyptic number.

25803667 is a deficient number, since it is larger than the sum of its proper divisors (1).

25803667 is an equidigital number, since it uses as much as digits as its factorization.

25803667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 25803667 is about 5079.7309968147. The cubic root of 25803667 is about 295.5020351191.

The spelling of 25803667 in words is "twenty-five million, eight hundred three thousand, six hundred sixty-seven".