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191341 is a prime number
BaseRepresentation
bin101110101101101101
3100201110201
4232231231
522110331
64033501
71424563
oct565555
9321421
10191341
11120837
1292891
1369127
144da33
153ba61
hex2eb6d

191341 has 2 divisors, whose sum is σ = 191342. Its totient is φ = 191340.

The previous prime is 191339. The next prime is 191353. The reversal of 191341 is 143191.

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., 189225 + 2116 = 435^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 191341 - 21 = 191339 is a prime.

It is a super-2 number, since 2×1913412 = 73222756562, which contains 22 as substring.

Together with 191339, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p17272 and since 191341 and 17272 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (191141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95670 + 95671.

It is an arithmetic number, because the mean of its divisors is an integer number (95671).

2191341 is an apocalyptic number.

It is an amenable number.

191341 is a deficient number, since it is larger than the sum of its proper divisors (1).

191341 is an equidigital number, since it uses as much as digits as its factorization.

191341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 19.

The square root of 191341 is about 437.4254222150. The cubic root of 191341 is about 57.6239042051.

The spelling of 191341 in words is "one hundred ninety-one thousand, three hundred forty-one".