225752017 has 2 divisors, whose sum is σ = 225752018. Its totient is φ = 225752016.

The previous prime is 225751997. The next prime is 225752029. The reversal of 225752017 is 710257522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171714816 + 54037201 = 13104^2 + 7351^2 .

It is a cyclic number.

It is not a de Polignac number, because 225752017 - 2¹¹ = 225749969 is a prime.

It is a super-3 number, since 3×225752017³ (a number of 26 digits) contains 333 as substring.

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 225752017.

It is not a weakly prime, because it can be changed into another prime (225752047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112876008 + 112876009.

It is an arithmetic number, because the mean of its divisors is an integer number (112876009).

Almost surely, 2^225752017 is an apocalyptic number.

It is an amenable number.

225752017 is a deficient number, since it is larger than the sum of its proper divisors (1).

225752017 is an equidigital number, since it uses as much as digits as its factorization.

225752017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 225752017 is about 15025.0463227239. The cubic root of 225752017 is about 608.8970636965.

The spelling of 225752017 in words is "two hundred twenty-five million, seven hundred fifty-two thousand, seventeen".