25302113 has 2 divisors, whose sum is σ = 25302114. Its totient is φ = 25302112.

The previous prime is 25302097. The next prime is 25302127. The reversal of 25302113 is 31120352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13897984 + 11404129 = 3728^2 + 3377^2 .

It is a cyclic number.

It is not a de Polignac number, because 25302113 - 2⁴ = 25302097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25302091 and 25302100.

It is not a weakly prime, because it can be changed into another prime (25302143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12651056 + 12651057.

It is an arithmetic number, because the mean of its divisors is an integer number (12651057).

Almost surely, 2^25302113 is an apocalyptic number.

It is an amenable number.

25302113 is a deficient number, since it is larger than the sum of its proper divisors (1).

25302113 is an equidigital number, since it uses as much as digits as its factorization.

25302113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 25302113 is about 5030.1205750956. The cubic root of 25302113 is about 293.5749058841.

Adding to 25302113 its reverse (31120352), we get a palindrome (56422465).

The spelling of 25302113 in words is "twenty-five million, three hundred two thousand, one hundred thirteen".