25225523 has 2 divisors, whose sum is σ = 25225524. Its totient is φ = 25225522.

The previous prime is 25225489. The next prime is 25225553. The reversal of 25225523 is 32552252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25225523 - 2⁸ = 25225267 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 25225492 and 25225501.

It is not a weakly prime, because it can be changed into another prime (25225553) 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, 12612761 + 12612762.

It is an arithmetic number, because the mean of its divisors is an integer number (12612762).

Almost surely, 2^25225523 is an apocalyptic number.

25225523 is a deficient number, since it is larger than the sum of its proper divisors (1).

25225523 is an equidigital number, since it uses as much as digits as its factorization.

25225523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6000, while the sum is 26.

The square root of 25225523 is about 5022.5016674960. The cubic root of 25225523 is about 293.2783874644.

Adding to 25225523 its reverse (32552252), we get a palindrome (57777775).

The spelling of 25225523 in words is "twenty-five million, two hundred twenty-five thousand, five hundred twenty-three".