25225313 has 2 divisors, whose sum is σ = 25225314. Its totient is φ = 25225312.

The previous prime is 25225307. The next prime is 25225337. The reversal of 25225313 is 31352252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21603904 + 3621409 = 4648^2 + 1903^2 .

It is a cyclic number.

It is not a de Polignac number, because 25225313 - 2¹⁶ = 25159777 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25225363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12612656 + 12612657.

It is an arithmetic number, because the mean of its divisors is an integer number (12612657).

Almost surely, 2^25225313 is an apocalyptic number.

It is an amenable number.

25225313 is a deficient number, since it is larger than the sum of its proper divisors (1).

25225313 is an equidigital number, since it uses as much as digits as its factorization.

25225313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 23.

The square root of 25225313 is about 5022.4807615361. The cubic root of 25225313 is about 293.2775736242.

Adding to 25225313 its reverse (31352252), we get a palindrome (56577565).

The spelling of 25225313 in words is "twenty-five million, two hundred twenty-five thousand, three hundred thirteen".