25005017 has 2 divisors, whose sum is σ = 25005018. Its totient is φ = 25005016.

The previous prime is 25004983. The next prime is 25005041. The reversal of 25005017 is 71050052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14318656 + 10686361 = 3784^2 + 3269^2 .

It is a cyclic number.

It is not a de Polignac number, because 25005017 - 2⁶ = 25004953 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25005017.

It is not a weakly prime, because it can be changed into another prime (25005517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12502508 + 12502509.

It is an arithmetic number, because the mean of its divisors is an integer number (12502509).

Almost surely, 2^25005017 is an apocalyptic number.

It is an amenable number.

25005017 is a deficient number, since it is larger than the sum of its proper divisors (1).

25005017 is an equidigital number, since it uses as much as digits as its factorization.

25005017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 25005017 is about 5000.5016748322. The cubic root of 25005017 is about 292.4213322423.

Adding to 25005017 its reverse (71050052), we get a palindrome (96055069).

The spelling of 25005017 in words is "twenty-five million, five thousand, seventeen".