225115301 has 2 divisors, whose sum is σ = 225115302. Its totient is φ = 225115300.

The previous prime is 225115291. The next prime is 225115333. The reversal of 225115301 is 103511522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220492801 + 4622500 = 14849^2 + 2150^2 .

It is a cyclic number.

It is not a de Polignac number, because 225115301 - 2¹⁴ = 225098917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225115351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112557650 + 112557651.

It is an arithmetic number, because the mean of its divisors is an integer number (112557651).

Almost surely, 2^225115301 is an apocalyptic number.

It is an amenable number.

225115301 is a deficient number, since it is larger than the sum of its proper divisors (1).

225115301 is an equidigital number, since it uses as much as digits as its factorization.

225115301 is an odious number, because the sum of its binary digits is odd.

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

The square root of 225115301 is about 15003.8428744105. The cubic root of 225115301 is about 608.3240757374.

Adding to 225115301 its reverse (103511522), we get a palindrome (328626823).

The spelling of 225115301 in words is "two hundred twenty-five million, one hundred fifteen thousand, three hundred one".