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349121 is a prime number
BaseRepresentation
bin1010101001111000001
3122201220102
41111033001
542132441
611252145
72652563
oct1251701
9581812
10349121
11219333
1214a055
13c2ba6
1491333
156d69b
hex553c1

349121 has 2 divisors, whose sum is σ = 349122. Its totient is φ = 349120.

The previous prime is 349109. The next prime is 349133. The reversal of 349121 is 121943.

It is a balanced prime because it is at equal distance from previous prime (349109) and next prime (349133).

It can be written as a sum of positive squares in only one way, i.e., 330625 + 18496 = 575^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 349121 - 210 = 348097 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 349093 and 349102.

It is not a weakly prime, because it can be changed into another prime (349171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174560 + 174561.

It is an arithmetic number, because the mean of its divisors is an integer number (174561).

2349121 is an apocalyptic number.

It is an amenable number.

349121 is a deficient number, since it is larger than the sum of its proper divisors (1).

349121 is an equidigital number, since it uses as much as digits as its factorization.

349121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

The square root of 349121 is about 590.8646207043. The cubic root of 349121 is about 70.4139419056.

The spelling of 349121 in words is "three hundred forty-nine thousand, one hundred twenty-one".