25017241 has 2 divisors, whose sum is σ = 25017242. Its totient is φ = 25017240.

The previous prime is 25017229. The next prime is 25017247. The reversal of 25017241 is 14271052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18147600 + 6869641 = 4260^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 25017241 - 2⁹ = 25016729 is a prime.

It is not a weakly prime, because it can be changed into another prime (25017247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12508620 + 12508621.

It is an arithmetic number, because the mean of its divisors is an integer number (12508621).

Almost surely, 2^25017241 is an apocalyptic number.

It is an amenable number.

25017241 is a deficient number, since it is larger than the sum of its proper divisors (1).

25017241 is an equidigital number, since it uses as much as digits as its factorization.

25017241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 25017241 is about 5001.7238028504. The cubic root of 25017241 is about 292.4689756951.

Adding to 25017241 its reverse (14271052), we get a palindrome (39288293).

The spelling of 25017241 in words is "twenty-five million, seventeen thousand, two hundred forty-one".