23625013 has 2 divisors, whose sum is σ = 23625014. Its totient is φ = 23625012.

The previous prime is 23625001. The next prime is 23625031. The reversal of 23625013 is 31052632.

Together with next prime (23625031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13010449 + 10614564 = 3607^2 + 3258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23625013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23625083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11812506 + 11812507.

It is an arithmetic number, because the mean of its divisors is an integer number (11812507).

Almost surely, 2^23625013 is an apocalyptic number.

It is an amenable number.

23625013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23625013 is an equidigital number, since it uses as much as digits as its factorization.

23625013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 23625013 is about 4860.5568611014. The cubic root of 23625013 is about 286.9397300468.

Adding to 23625013 its reverse (31052632), we get a palindrome (54677645).

The spelling of 23625013 in words is "twenty-three million, six hundred twenty-five thousand, thirteen".