225011617 has 2 divisors, whose sum is σ = 225011618. Its totient is φ = 225011616.

The previous prime is 225011597. The next prime is 225011681. The reversal of 225011617 is 716110522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224970001 + 41616 = 14999^2 + 204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225011617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225011591 and 225011600.

It is not a weakly prime, because it can be changed into another prime (225015617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112505808 + 112505809.

It is an arithmetic number, because the mean of its divisors is an integer number (112505809).

Almost surely, 2^225011617 is an apocalyptic number.

It is an amenable number.

225011617 is a deficient number, since it is larger than the sum of its proper divisors (1).

225011617 is an equidigital number, since it uses as much as digits as its factorization.

225011617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 225011617 is about 15000.3872283351. The cubic root of 225011617 is about 608.2306670721.

The spelling of 225011617 in words is "two hundred twenty-five million, eleven thousand, six hundred seventeen".