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8135497 is a prime number
BaseRepresentation
bin11111000010001101001001
3120022022210201
4133002031021
54040313442
6450212201
7126102436
oct37021511
916268721
108135497
114657357
122884061
1318bb006
14111ab8d
15aaa7b7
hex7c2349

8135497 has 2 divisors, whose sum is σ = 8135498. Its totient is φ = 8135496.

The previous prime is 8135489. The next prime is 8135521. The reversal of 8135497 is 7945318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5812921 + 2322576 = 2411^2 + 1524^2 .

It is a cyclic number.

It is not a de Polignac number, because 8135497 - 23 = 8135489 is a prime.

It is a super-2 number, since 2×81354972 = 132372622874018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8135417) 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, 4067748 + 4067749.

It is an arithmetic number, because the mean of its divisors is an integer number (4067749).

Almost surely, 28135497 is an apocalyptic number.

It is an amenable number.

8135497 is a deficient number, since it is larger than the sum of its proper divisors (1).

8135497 is an equidigital number, since it uses as much as digits as its factorization.

8135497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 8135497 is about 2852.2792640273. The cubic root of 8135497 is about 201.1228261770.

The spelling of 8135497 in words is "eight million, one hundred thirty-five thousand, four hundred ninety-seven".