225862613 has 2 divisors, whose sum is σ = 225862614. Its totient is φ = 225862612.

The previous prime is 225862603. The next prime is 225862639. The reversal of 225862613 is 316268522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205005124 + 20857489 = 14318^2 + 4567^2 .

It is a cyclic number.

It is not a de Polignac number, because 225862613 - 2⁴ = 225862597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225862603) 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, 112931306 + 112931307.

It is an arithmetic number, because the mean of its divisors is an integer number (112931307).

Almost surely, 2^225862613 is an apocalyptic number.

It is an amenable number.

225862613 is a deficient number, since it is larger than the sum of its proper divisors (1).

225862613 is an equidigital number, since it uses as much as digits as its factorization.

225862613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 225862613 is about 15028.7262600661. The cubic root of 225862613 is about 608.9964804321.

The spelling of 225862613 in words is "two hundred twenty-five million, eight hundred sixty-two thousand, six hundred thirteen".