219375241 has 2 divisors, whose sum is σ = 219375242. Its totient is φ = 219375240.

The previous prime is 219375229. The next prime is 219375269. The reversal of 219375241 is 142573912.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219040000 + 335241 = 14800^2 + 579^2 .

It is a cyclic number.

It is not a de Polignac number, because 219375241 - 2⁷ = 219375113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 219375197 and 219375206.

It is not a weakly prime, because it can be changed into another prime (219375281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109687620 + 109687621.

It is an arithmetic number, because the mean of its divisors is an integer number (109687621).

Almost surely, 2^219375241 is an apocalyptic number.

It is an amenable number.

219375241 is a deficient number, since it is larger than the sum of its proper divisors (1).

219375241 is an equidigital number, since it uses as much as digits as its factorization.

219375241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 219375241 is about 14811.3213792693. The cubic root of 219375241 is about 603.1090846418.

The spelling of 219375241 in words is "two hundred nineteen million, three hundred seventy-five thousand, two hundred forty-one".