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8280497 is a prime number
BaseRepresentation
bin11111100101100110110001
3120120200201002
4133211212301
54104433442
6453251345
7130245251
oct37454661
916520632
108280497
114746295
122933b55
13193c004
141157961
15ad8732
hex7e59b1

8280497 has 2 divisors, whose sum is σ = 8280498. Its totient is φ = 8280496.

The previous prime is 8280491. The next prime is 8280499. The reversal of 8280497 is 7940828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5973136 + 2307361 = 2444^2 + 1519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8280497 is a prime.

Together with 8280499, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8280497.

It is not a weakly prime, because it can be changed into another prime (8280491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4140248 + 4140249.

It is an arithmetic number, because the mean of its divisors is an integer number (4140249).

Almost surely, 28280497 is an apocalyptic number.

It is an amenable number.

8280497 is a deficient number, since it is larger than the sum of its proper divisors (1).

8280497 is an equidigital number, since it uses as much as digits as its factorization.

8280497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 8280497 is about 2877.5852724116. The cubic root of 8280497 is about 202.3106760703.

The spelling of 8280497 in words is "eight million, two hundred eighty thousand, four hundred ninety-seven".