15075225 has 36 divisors (see below), whose sum is σ = 29460912. Its totient is φ = 7308000.

The previous prime is 15075223. The next prime is 15075233. The reversal of 15075225 is 52257051.

It is a happy number.

15075225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15075225 - 2¹ = 15075223 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15075223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 571 + ... + 5520.

Almost surely, 2^15075225 is an apocalyptic number.

15075225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15075225 is a deficient number, since it is larger than the sum of its proper divisors (14385687).

15075225 is a wasteful number, since it uses less digits than its factorization.

15075225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118 (or 6110 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 15075225 is about 3882.6827065832. The cubic root of 15075225 is about 247.0327886231.

The spelling of 15075225 in words is "fifteen million, seventy-five thousand, two hundred twenty-five".