25452017 has 2 divisors, whose sum is σ = 25452018. Its totient is φ = 25452016.

The previous prime is 25452013. The next prime is 25452019. The reversal of 25452017 is 71025452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17606416 + 7845601 = 4196^2 + 2801^2 .

It is a cyclic number.

It is not a de Polignac number, because 25452017 - 2² = 25452013 is a prime.

Together with 25452019, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1592342 and since 25452017 and 1592342 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (25452013) 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, 12726008 + 12726009.

It is an arithmetic number, because the mean of its divisors is an integer number (12726009).

Almost surely, 2^25452017 is an apocalyptic number.

It is an amenable number.

25452017 is a deficient number, since it is larger than the sum of its proper divisors (1).

25452017 is an equidigital number, since it uses as much as digits as its factorization.

25452017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 25452017 is about 5044.9992071357. Note that the first 3 decimals coincide. The cubic root of 25452017 is about 294.1535325006.

Adding to 25452017 its reverse (71025452), we get a palindrome (96477469).

The spelling of 25452017 in words is "twenty-five million, four hundred fifty-two thousand, seventeen".