225015113 has 4 divisors (see below), whose sum is σ = 225156228. Its totient is φ = 224874000.

The previous prime is 225015103. The next prime is 225015121. The reversal of 225015113 is 311510522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 179479609 + 45535504 = 13397^2 + 6748^2 .

It is a cyclic number.

It is not a de Polignac number, because 225015113 - 2²⁶ = 157906249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225015103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68138 + ... + 71363.

It is an arithmetic number, because the mean of its divisors is an integer number (56289057).

Almost surely, 2^225015113 is an apocalyptic number.

It is an amenable number.

225015113 is a deficient number, since it is larger than the sum of its proper divisors (141115).

225015113 is a wasteful number, since it uses less digits than its factorization.

225015113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141114.

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

The square root of 225015113 is about 15000.5037582076. The cubic root of 225015113 is about 608.2338170775.

Adding to 225015113 its reverse (311510522), we get a palindrome (536525635).

The spelling of 225015113 in words is "two hundred twenty-five million, fifteen thousand, one hundred thirteen".