23525413 has 2 divisors, whose sum is σ = 23525414. Its totient is φ = 23525412.

The previous prime is 23525387. The next prime is 23525417. The reversal of 23525413 is 31452532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16305444 + 7219969 = 4038^2 + 2687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23525413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23525417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11762706 + 11762707.

It is an arithmetic number, because the mean of its divisors is an integer number (11762707).

Almost surely, 2^23525413 is an apocalyptic number.

It is an amenable number.

23525413 is a deficient number, since it is larger than the sum of its proper divisors (1).

23525413 is an equidigital number, since it uses as much as digits as its factorization.

23525413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 23525413 is about 4850.3002999814. The cubic root of 23525413 is about 286.5359284558.

Adding to 23525413 its reverse (31452532), we get a palindrome (54977945).

The spelling of 23525413 in words is "twenty-three million, five hundred twenty-five thousand, four hundred thirteen".