225061 has 2 divisors, whose sum is σ = 225062. Its totient is φ = 225060.
The previous prime is 225037. The next prime is 225067. The reversal of 225061 is 160522.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 216225 + 8836 = 465^2 + 94^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-225061 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (225067) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112530 + 112531.
It is an arithmetic number, because the mean of its divisors is an integer number (112531).
2225061 is an apocalyptic number.
It is an amenable number.
225061 is a deficient number, since it is larger than the sum of its proper divisors (1).
225061 is an equidigital number, since it uses as much as digits as its factorization.
225061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 225061 is about 474.4059443135. The cubic root of 225061 is about 60.8275159676.
Adding to 225061 its reverse (160522), we get a palindrome (385583).
The spelling of 225061 in words is "two hundred twenty-five thousand, sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •