225061841 has 2 divisors, whose sum is σ = 225061842. Its totient is φ = 225061840.

The previous prime is 225061807. The next prime is 225061843. The reversal of 225061841 is 148160522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136983616 + 88078225 = 11704^2 + 9385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225061841 is a prime.

Together with 225061843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225061843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112530920 + 112530921.

It is an arithmetic number, because the mean of its divisors is an integer number (112530921).

Almost surely, 2^225061841 is an apocalyptic number.

It is an amenable number.

225061841 is a deficient number, since it is larger than the sum of its proper divisors (1).

225061841 is an equidigital number, since it uses as much as digits as its factorization.

225061841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 225061841 is about 15002.0612250450. The cubic root of 225061841 is about 608.2759173350.

The spelling of 225061841 in words is "two hundred twenty-five million, sixty-one thousand, eight hundred forty-one".