25368361 has 2 divisors, whose sum is σ = 25368362. Its totient is φ = 25368360.

The previous prime is 25368353. The next prime is 25368367. The reversal of 25368361 is 16386352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20611600 + 4756761 = 4540^2 + 2181^2 .

It is a cyclic number.

It is not a de Polignac number, because 25368361 - 2³ = 25368353 is a prime.

It is not a weakly prime, because it can be changed into another prime (25368367) 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, 12684180 + 12684181.

It is an arithmetic number, because the mean of its divisors is an integer number (12684181).

Almost surely, 2^25368361 is an apocalyptic number.

It is an amenable number.

25368361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25368361 is an equidigital number, since it uses as much as digits as its factorization.

25368361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 25368361 is about 5036.7014007185. The cubic root of 25368361 is about 293.8309029613.

Subtracting from 25368361 its reverse (16386352), we obtain a square (8982009 = 2997²).

The spelling of 25368361 in words is "twenty-five million, three hundred sixty-eight thousand, three hundred sixty-one".