25080217 has 2 divisors, whose sum is σ = 25080218. Its totient is φ = 25080216.

The previous prime is 25080199. The next prime is 25080221. The reversal of 25080217 is 71208052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24890121 + 190096 = 4989^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 25080217 - 2¹⁹ = 24555929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25080191 and 25080200.

It is not a weakly prime, because it can be changed into another prime (25080917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12540108 + 12540109.

It is an arithmetic number, because the mean of its divisors is an integer number (12540109).

Almost surely, 2^25080217 is an apocalyptic number.

It is an amenable number.

25080217 is a deficient number, since it is larger than the sum of its proper divisors (1).

25080217 is an equidigital number, since it uses as much as digits as its factorization.

25080217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 25080217 is about 5008.0152755358. The cubic root of 25080217 is about 292.7141811620.

Adding to 25080217 its reverse (71208052), we get a palindrome (96288269).

The spelling of 25080217 in words is "twenty-five million, eighty thousand, two hundred seventeen".