219435241 has 2 divisors, whose sum is σ = 219435242. Its totient is φ = 219435240.

The previous prime is 219435233. The next prime is 219435247. The reversal of 219435241 is 142534912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216090000 + 3345241 = 14700^2 + 1829^2 .

It is a cyclic number.

It is not a de Polignac number, because 219435241 - 2³ = 219435233 is a prime.

It is not a weakly prime, because it can be changed into another prime (219435247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109717620 + 109717621.

It is an arithmetic number, because the mean of its divisors is an integer number (109717621).

Almost surely, 2^219435241 is an apocalyptic number.

It is an amenable number.

219435241 is a deficient number, since it is larger than the sum of its proper divisors (1).

219435241 is an equidigital number, since it uses as much as digits as its factorization.

219435241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 219435241 is about 14813.3467184158. The cubic root of 219435241 is about 603.1640638734.

The spelling of 219435241 in words is "two hundred nineteen million, four hundred thirty-five thousand, two hundred forty-one".