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219041 is a prime number
BaseRepresentation
bin110101011110100001
3102010110122
4311132201
524002131
64410025
71601414
oct653641
9363418
10219041
1113a629
12a6915
1378914
1459b7b
1544d7b
hex357a1

219041 has 2 divisors, whose sum is σ = 219042. Its totient is φ = 219040.

The previous prime is 219031. The next prime is 219053. The reversal of 219041 is 140912.

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., 180625 + 38416 = 425^2 + 196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-219041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (219001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109520 + 109521.

It is an arithmetic number, because the mean of its divisors is an integer number (109521).

2219041 is an apocalyptic number.

It is an amenable number.

219041 is a deficient number, since it is larger than the sum of its proper divisors (1).

219041 is an equidigital number, since it uses as much as digits as its factorization.

219041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 219041 is about 468.0181620407. The cubic root of 219041 is about 60.2802629141.

Subtracting from 219041 its sum of digits (17), we obtain a square (219024 = 4682).

Adding to 219041 its reverse (140912), we get a palindrome (359953).

The spelling of 219041 in words is "two hundred nineteen thousand, forty-one".