25563301 has 2 divisors, whose sum is σ = 25563302. Its totient is φ = 25563300.

The previous prime is 25563299. The next prime is 25563319. The reversal of 25563301 is 10336552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22791076 + 2772225 = 4774^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 25563301 - 2¹ = 25563299 is a prime.

Together with 25563299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25563361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12781650 + 12781651.

It is an arithmetic number, because the mean of its divisors is an integer number (12781651).

Almost surely, 2^25563301 is an apocalyptic number.

It is an amenable number.

25563301 is a deficient number, since it is larger than the sum of its proper divisors (1).

25563301 is an equidigital number, since it uses as much as digits as its factorization.

25563301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 25563301 is about 5056.0163172205. The cubic root of 25563301 is about 294.5816189234.

Adding to 25563301 its reverse (10336552), we get a palindrome (35899853).

The spelling of 25563301 in words is "twenty-five million, five hundred sixty-three thousand, three hundred one".