2500417 has 2 divisors, whose sum is σ = 2500418. Its totient is φ = 2500416.

The previous prime is 2500403. The next prime is 2500439. The reversal of 2500417 is 7140052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2483776 + 16641 = 1576^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500417 - 2¹¹ = 2498369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2500394 and 2500403.

It is not a weakly prime, because it can be changed into another prime (2500117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250208 + 1250209.

It is an arithmetic number, because the mean of its divisors is an integer number (1250209).

2^2500417 is an apocalyptic number.

It is an amenable number.

2500417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500417 is an equidigital number, since it uses as much as digits as its factorization.

2500417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2500417 is about 1581.2706915642. The cubic root of 2500417 is about 135.7284264912.

Adding to 2500417 its reverse (7140052), we get a palindrome (9640469).

The spelling of 2500417 in words is "two million, five hundred thousand, four hundred seventeen".