25226417 has 2 divisors, whose sum is σ = 25226418. Its totient is φ = 25226416.

The previous prime is 25226413. The next prime is 25226431. The reversal of 25226417 is 71462252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12666481 + 12559936 = 3559^2 + 3544^2 .

It is a cyclic number.

It is not a de Polignac number, because 25226417 - 2² = 25226413 is a prime.

It is a super-2 number, since 2×25226417² = 1272744229315778, which contains 22 as substring.

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 25226417.

It is not a weakly prime, because it can be changed into another prime (25226413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12613208 + 12613209.

It is an arithmetic number, because the mean of its divisors is an integer number (12613209).

Almost surely, 2^25226417 is an apocalyptic number.

It is an amenable number.

25226417 is a deficient number, since it is larger than the sum of its proper divisors (1).

25226417 is an equidigital number, since it uses as much as digits as its factorization.

25226417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 25226417 is about 5022.5906661802. The cubic root of 25226417 is about 293.2818520478.

Adding to 25226417 its reverse (71462252), we get a palindrome (96688669).

The spelling of 25226417 in words is "twenty-five million, two hundred twenty-six thousand, four hundred seventeen".