225682313 has 2 divisors, whose sum is σ = 225682314. Its totient is φ = 225682312.

The previous prime is 225682307. The next prime is 225682337. The reversal of 225682313 is 313286522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212080969 + 13601344 = 14563^2 + 3688^2 .

It is a cyclic number.

It is not a de Polignac number, because 225682313 - 2¹⁰ = 225681289 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225682313.

It is not a weakly prime, because it can be changed into another prime (225682393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112841156 + 112841157.

It is an arithmetic number, because the mean of its divisors is an integer number (112841157).

Almost surely, 2^225682313 is an apocalyptic number.

It is an amenable number.

225682313 is a deficient number, since it is larger than the sum of its proper divisors (1).

225682313 is an equidigital number, since it uses as much as digits as its factorization.

225682313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 225682313 is about 15022.7265501306. The cubic root of 225682313 is about 608.8343888339.

The spelling of 225682313 in words is "two hundred twenty-five million, six hundred eighty-two thousand, three hundred thirteen".