225021341 has 2 divisors, whose sum is σ = 225021342. Its totient is φ = 225021340.

The previous prime is 225021331. The next prime is 225021347. The reversal of 225021341 is 143120522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116424100 + 108597241 = 10790^2 + 10421^2 .

It is a cyclic number.

It is not a de Polignac number, because 225021341 - 2²² = 220827037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225021347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112510670 + 112510671.

It is an arithmetic number, because the mean of its divisors is an integer number (112510671).

Almost surely, 2^225021341 is an apocalyptic number.

It is an amenable number.

225021341 is a deficient number, since it is larger than the sum of its proper divisors (1).

225021341 is an equidigital number, since it uses as much as digits as its factorization.

225021341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 225021341 is about 15000.7113497994. The cubic root of 225021341 is about 608.2394286194.

Adding to 225021341 its reverse (143120522), we get a palindrome (368141863).

The spelling of 225021341 in words is "two hundred twenty-five million, twenty-one thousand, three hundred forty-one".