1343161 has 2 divisors, whose sum is σ = 1343162. Its totient is φ = 1343160.
The previous prime is 1343113. The next prime is 1343183. The reversal of 1343161 is 1613431.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 672400 + 670761 = 820^2 + 819^2 .
It is a cyclic number.
It is not a de Polignac number, because 1343161 - 27 = 1343033 is a prime.
1343161 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (1346161) 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, 671580 + 671581.
It is an arithmetic number, because the mean of its divisors is an integer number (671581).
21343161 is an apocalyptic number.
1343161 is the 820-th centered square number.
It is an amenable number.
1343161 is a deficient number, since it is larger than the sum of its proper divisors (1).
1343161 is an equidigital number, since it uses as much as digits as its factorization.
1343161 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 216, while the sum is 19.
The square root of 1343161 is about 1158.9482300776. The cubic root of 1343161 is about 110.3339986107. Note that the first 3 decimals are identical.
Adding to 1343161 its reverse (1613431), we get a palindrome (2956592).
The spelling of 1343161 in words is "one million, three hundred forty-three thousand, one hundred sixty-one".
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