23258249 has 4 divisors (see below), whose sum is σ = 26580864. Its totient is φ = 19935636.

The previous prime is 23258239. The next prime is 23258297. The reversal of 23258249 is 94285232.

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 not a de Polignac number, because 23258249 - 2¹⁶ = 23192713 is a prime.

It is a super-2 number, since 2×23258249² = 1081892293092002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23258219) 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, 1661297 + ... + 1661310.

It is an arithmetic number, because the mean of its divisors is an integer number (6645216).

Almost surely, 2^23258249 is an apocalyptic number.

It is an amenable number.

23258249 is a deficient number, since it is larger than the sum of its proper divisors (3322615).

23258249 is an equidigital number, since it uses as much as digits as its factorization.

23258249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322614.

The product of its digits is 34560, while the sum is 35.

The square root of 23258249 is about 4822.6806860915. The cubic root of 23258249 is about 285.4471241572.

The spelling of 23258249 in words is "twenty-three million, two hundred fifty-eight thousand, two hundred forty-nine".