225246013 has 2 divisors, whose sum is σ = 225246014. Its totient is φ = 225246012.

The previous prime is 225246001. The next prime is 225246017. The reversal of 225246013 is 310642522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215120889 + 10125124 = 14667^2 + 3182^2 .

It is a cyclic number.

It is not a de Polignac number, because 225246013 - 2¹³ = 225237821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225246017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112623006 + 112623007.

It is an arithmetic number, because the mean of its divisors is an integer number (112623007).

Almost surely, 2^225246013 is an apocalyptic number.

It is an amenable number.

225246013 is a deficient number, since it is larger than the sum of its proper divisors (1).

225246013 is an equidigital number, since it uses as much as digits as its factorization.

225246013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 225246013 is about 15008.1981929877. The cubic root of 225246013 is about 608.4417930008.

Adding to 225246013 its reverse (310642522), we get a palindrome (535888535).

The spelling of 225246013 in words is "two hundred twenty-five million, two hundred forty-six thousand, thirteen".