1353397 has 2 divisors, whose sum is σ = 1353398. Its totient is φ = 1353396.
The previous prime is 1353383. The next prime is 1353433. The reversal of 1353397 is 7933531.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1347921 + 5476 = 1161^2 + 74^2 .
It is an emirp because it is prime and its reverse (7933531) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1353397 - 27 = 1353269 is a prime.
1353397 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1353377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676698 + 676699.
It is an arithmetic number, because the mean of its divisors is an integer number (676699).
21353397 is an apocalyptic number.
It is an amenable number.
1353397 is a deficient number, since it is larger than the sum of its proper divisors (1).
1353397 is an equidigital number, since it uses as much as digits as its factorization.
1353397 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 8505, while the sum is 31.
The square root of 1353397 is about 1163.3559214617. The cubic root of 1353397 is about 110.6135684614.
The spelling of 1353397 in words is "one million, three hundred fifty-three thousand, three hundred ninety-seven".
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