25325117 has 2 divisors, whose sum is σ = 25325118. Its totient is φ = 25325116.

The previous prime is 25325089. The next prime is 25325123. The reversal of 25325117 is 71152352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16168441 + 9156676 = 4021^2 + 3026^2 .

It is a cyclic number.

It is not a de Polignac number, because 25325117 - 2²⁰ = 24276541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25325177) 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, 12662558 + 12662559.

It is an arithmetic number, because the mean of its divisors is an integer number (12662559).

Almost surely, 2^25325117 is an apocalyptic number.

It is an amenable number.

25325117 is a deficient number, since it is larger than the sum of its proper divisors (1).

25325117 is an equidigital number, since it uses as much as digits as its factorization.

25325117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 26.

The square root of 25325117 is about 5032.4066807046. The cubic root of 25325117 is about 293.6638490684.

Adding to 25325117 its reverse (71152352), we get a palindrome (96477469).

The spelling of 25325117 in words is "twenty-five million, three hundred twenty-five thousand, one hundred seventeen".