225001313 has 2 divisors, whose sum is σ = 225001314. Its totient is φ = 225001312.

The previous prime is 225001303. The next prime is 225001333. The reversal of 225001313 is 313100522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213393664 + 11607649 = 14608^2 + 3407^2 .

It is a cyclic number.

It is not a de Polignac number, because 225001313 - 2⁸ = 225001057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225001291 and 225001300.

It is not a weakly prime, because it can be changed into another prime (225001303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112500656 + 112500657.

It is an arithmetic number, because the mean of its divisors is an integer number (112500657).

Almost surely, 2^225001313 is an apocalyptic number.

It is an amenable number.

225001313 is a deficient number, since it is larger than the sum of its proper divisors (1).

225001313 is an equidigital number, since it uses as much as digits as its factorization.

225001313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 225001313 is about 15000.0437666028. The cubic root of 225001313 is about 608.2213826560.

Adding to 225001313 its reverse (313100522), we get a palindrome (538101835).

The spelling of 225001313 in words is "two hundred twenty-five million, one thousand, three hundred thirteen".