25560823 has 2 divisors, whose sum is σ = 25560824. Its totient is φ = 25560822.

The previous prime is 25560817. The next prime is 25560839. The reversal of 25560823 is 32806552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25560823 - 2¹⁷ = 25429751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25560323) 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 as a sum of consecutive naturals, namely, 12780411 + 12780412.

It is an arithmetic number, because the mean of its divisors is an integer number (12780412).

Almost surely, 2^25560823 is an apocalyptic number.

25560823 is a deficient number, since it is larger than the sum of its proper divisors (1).

25560823 is an equidigital number, since it uses as much as digits as its factorization.

25560823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 25560823 is about 5055.7712566927. The cubic root of 25560823 is about 294.5721001105.

The spelling of 25560823 in words is "twenty-five million, five hundred sixty thousand, eight hundred twenty-three".