25830653 has 2 divisors, whose sum is σ = 25830654. Its totient is φ = 25830652.

The previous prime is 25830647. The next prime is 25830689. The reversal of 25830653 is 35603852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20457529 + 5373124 = 4523^2 + 2318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25830653 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25830643) 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, 12915326 + 12915327.

It is an arithmetic number, because the mean of its divisors is an integer number (12915327).

Almost surely, 2^25830653 is an apocalyptic number.

It is an amenable number.

25830653 is a deficient number, since it is larger than the sum of its proper divisors (1).

25830653 is an equidigital number, since it uses as much as digits as its factorization.

25830653 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 25830653 is about 5082.3865457086. The cubic root of 25830653 is about 295.6050132423.

The spelling of 25830653 in words is "twenty-five million, eight hundred thirty thousand, six hundred fifty-three".