1315073 has 2 divisors, whose sum is σ = 1315074. Its totient is φ = 1315072.
The previous prime is 1315049. The next prime is 1315081. The reversal of 1315073 is 3705131.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1270129 + 44944 = 1127^2 + 212^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1315073 is a prime.
It is not a weakly prime, because it can be changed into another prime (1315003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657536 + 657537.
It is an arithmetic number, because the mean of its divisors is an integer number (657537).
21315073 is an apocalyptic number.
It is an amenable number.
1315073 is a deficient number, since it is larger than the sum of its proper divisors (1).
1315073 is an equidigital number, since it uses as much as digits as its factorization.
1315073 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 315, while the sum is 20.
The square root of 1315073 is about 1146.7663231888. The cubic root of 1315073 is about 109.5594778447.
The spelling of 1315073 in words is "one million, three hundred fifteen thousand, seventy-three".
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