25536803 has 2 divisors, whose sum is σ = 25536804. Its totient is φ = 25536802.

The previous prime is 25536769. The next prime is 25536811. The reversal of 25536803 is 30863552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25536803 - 2⁸ = 25536547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25536803.

It is not a weakly prime, because it can be changed into another prime (25536853) 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, 12768401 + 12768402.

It is an arithmetic number, because the mean of its divisors is an integer number (12768402).

Almost surely, 2^25536803 is an apocalyptic number.

25536803 is a deficient number, since it is larger than the sum of its proper divisors (1).

25536803 is an equidigital number, since it uses as much as digits as its factorization.

25536803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 25536803 is about 5053.3951953118. The cubic root of 25536803 is about 294.4797994913.

The spelling of 25536803 in words is "twenty-five million, five hundred thirty-six thousand, eight hundred three".