25601353 has 2 divisors, whose sum is σ = 25601354. Its totient is φ = 25601352.

The previous prime is 25601351. The next prime is 25601363. The reversal of 25601353 is 35310652.

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., 20457529 + 5143824 = 4523^2 + 2268^2 .

It is a cyclic number.

It is not a de Polignac number, because 25601353 - 2¹ = 25601351 is a prime.

Together with 25601351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25601351) 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, 12800676 + 12800677.

It is an arithmetic number, because the mean of its divisors is an integer number (12800677).

Almost surely, 2^25601353 is an apocalyptic number.

It is an amenable number.

25601353 is a deficient number, since it is larger than the sum of its proper divisors (1).

25601353 is an equidigital number, since it uses as much as digits as its factorization.

25601353 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 25601353 is about 5059.7779595551. Note that the first 3 decimals coincide. The cubic root of 25601353 is about 294.7277119817.

The spelling of 25601353 in words is "twenty-five million, six hundred one thousand, three hundred fifty-three".