15113225 has 6 divisors (see below), whose sum is σ = 18740430. Its totient is φ = 12090560.

The previous prime is 15113207. The next prime is 15113239. The reversal of 15113225 is 52231151.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 283024 + 14830201 = 532^2 + 3851^2 .

It is not a de Polignac number, because 15113225 - 2¹⁴ = 15096841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15113197 and 15113206.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 302240 + ... + 302289.

It is an arithmetic number, because the mean of its divisors is an integer number (3123405).

Almost surely, 2^15113225 is an apocalyptic number.

It is an amenable number.

15113225 is a deficient number, since it is larger than the sum of its proper divisors (3627205).

15113225 is an equidigital number, since it uses as much as digits as its factorization.

15113225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604539 (or 604534 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 15113225 is about 3887.5731504372. The cubic root of 15113225 is about 247.2401789947.

Adding to 15113225 its reverse (52231151), we get a palindrome (67344376).

The spelling of 15113225 in words is "fifteen million, one hundred thirteen thousand, two hundred twenty-five".