25832789 has 2 divisors, whose sum is σ = 25832790. Its totient is φ = 25832788.

The previous prime is 25832777. The next prime is 25832791. The reversal of 25832789 is 98723852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21464689 + 4368100 = 4633^2 + 2090^2 .

It is a cyclic number.

It is not a de Polignac number, because 25832789 - 2⁴ = 25832773 is a prime.

Together with 25832791, it forms a pair of twin primes.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25832089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12916394 + 12916395.

It is an arithmetic number, because the mean of its divisors is an integer number (12916395).

Almost surely, 2^25832789 is an apocalyptic number.

It is an amenable number.

25832789 is a deficient number, since it is larger than the sum of its proper divisors (1).

25832789 is an equidigital number, since it uses as much as digits as its factorization.

25832789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 25832789 is about 5082.5966788641. The cubic root of 25832789 is about 295.6131611187.

The spelling of 25832789 in words is "twenty-five million, eight hundred thirty-two thousand, seven hundred eighty-nine".