15075223 has 2 divisors, whose sum is σ = 15075224. Its totient is φ = 15075222.

The previous prime is 15075199. The next prime is 15075233. The reversal of 15075223 is 32257051.

It is a strong prime.

It is an emirp because it is prime and its reverse (32257051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15075223 - 2⁵ = 15075191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15075233) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7537611 + 7537612.

It is an arithmetic number, because the mean of its divisors is an integer number (7537612).

Almost surely, 2^15075223 is an apocalyptic number.

15075223 is a deficient number, since it is larger than the sum of its proper divisors (1).

15075223 is an equidigital number, since it uses as much as digits as its factorization.

15075223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 15075223 is about 3882.6824490293. The cubic root of 15075223 is about 247.0327776987.

The spelling of 15075223 in words is "fifteen million, seventy-five thousand, two hundred twenty-three".