23725613 has 2 divisors, whose sum is σ = 23725614. Its totient is φ = 23725612.

The previous prime is 23725601. The next prime is 23725643. The reversal of 23725613 is 31652732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21409129 + 2316484 = 4627^2 + 1522^2 .

It is a cyclic number.

It is not a de Polignac number, because 23725613 - 2⁶ = 23725549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23725643) 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, 11862806 + 11862807.

It is an arithmetic number, because the mean of its divisors is an integer number (11862807).

Almost surely, 2^23725613 is an apocalyptic number.

It is an amenable number.

23725613 is a deficient number, since it is larger than the sum of its proper divisors (1).

23725613 is an equidigital number, since it uses as much as digits as its factorization.

23725613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 23725613 is about 4870.8944763770. The cubic root of 23725613 is about 287.3464354443.

The spelling of 23725613 in words is "twenty-three million, seven hundred twenty-five thousand, six hundred thirteen".