23225613 has 4 divisors (see below), whose sum is σ = 30967488. Its totient is φ = 15483740.

The previous prime is 23225599. The next prime is 23225627. The reversal of 23225613 is 31652232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (23225599) and next prime (23225627).

It is a cyclic number.

It is not a de Polignac number, because 23225613 - 2⁴ = 23225597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23225663) 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 in 3 ways as a sum of consecutive naturals, for example, 3870933 + ... + 3870938.

It is an arithmetic number, because the mean of its divisors is an integer number (7741872).

Almost surely, 2^23225613 is an apocalyptic number.

It is an amenable number.

23225613 is a deficient number, since it is larger than the sum of its proper divisors (7741875).

23225613 is an equidigital number, since it uses as much as digits as its factorization.

23225613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7741874.

The product of its digits is 2160, while the sum is 24.

The square root of 23225613 is about 4819.2959029302. The cubic root of 23225613 is about 285.3135484227.

Adding to 23225613 its reverse (31652232), we get a palindrome (54877845).

The spelling of 23225613 in words is "twenty-three million, two hundred twenty-five thousand, six hundred thirteen".