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800497 is a prime number
BaseRepresentation
bin11000011011011110001
31111200002001
43003123301
5201103442
625054001
76542545
oct3033361
91450061
10800497
114a7475
12327301
13220489
1416ba25
1510c2b7
hexc36f1

800497 has 2 divisors, whose sum is σ = 800498. Its totient is φ = 800496.

The previous prime is 800483. The next prime is 800509. The reversal of 800497 is 794008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776161 + 24336 = 881^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 800497 - 215 = 767729 is a prime.

It is equal to p63991 and since 800497 and 63991 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (800407) 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, 400248 + 400249.

It is an arithmetic number, because the mean of its divisors is an integer number (400249).

2800497 is an apocalyptic number.

It is an amenable number.

800497 is a deficient number, since it is larger than the sum of its proper divisors (1).

800497 is an equidigital number, since it uses as much as digits as its factorization.

800497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 800497 is about 894.7049793088. The cubic root of 800497 is about 92.8509966064.

The spelling of 800497 in words is "eight hundred thousand, four hundred ninety-seven".