225941 has 2 divisors, whose sum is σ = 225942. Its totient is φ = 225940.

The previous prime is 225931. The next prime is 225943. The reversal of 225941 is 149522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220900 + 5041 = 470^2 + 71^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225941 is a prime.

Together with 225943, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112970 + 112971.

It is an arithmetic number, because the mean of its divisors is an integer number (112971).

2²²⁵⁹⁴¹ is an apocalyptic number.

It is an amenable number.

225941 is a deficient number, since it is larger than the sum of its proper divisors (1).

225941 is an equidigital number, since it uses as much as digits as its factorization.

225941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 225941 is about 475.3325151933. The cubic root of 225941 is about 60.9066924267.

The spelling of 225941 in words is "two hundred twenty-five thousand, nine hundred forty-one".