15013225 has 6 divisors (see below), whose sum is σ = 18616430. Its totient is φ = 12010560.

The previous prime is 15013183. The next prime is 15013237. The reversal of 15013225 is 52231051.

15013225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 59536 + 14953689 = 244^2 + 3867^2 .

It is not a de Polignac number, because 15013225 - 2¹⁹ = 14488937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300240 + ... + 300289.

Almost surely, 2^15013225 is an apocalyptic number.

It is an amenable number.

15013225 is a deficient number, since it is larger than the sum of its proper divisors (3603205).

15013225 is an equidigital number, since it uses as much as digits as its factorization.

15013225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600539 (or 600534 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 15013225 is about 3874.6903102054. The cubic root of 15013225 is about 246.6936653753.

Adding to 15013225 its reverse (52231051), we get a palindrome (67244276).

The spelling of 15013225 in words is "fifteen million, thirteen thousand, two hundred twenty-five".