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8361601 is a prime number
BaseRepresentation
bin11111111001011010000001
3120201210221221
4133321122001
54120032401
6455115041
7131033563
oct37713201
916653857
108361601
1147a1216
122972a81
131969bc1
141179333
15b027a1
hex7f9681

8361601 has 2 divisors, whose sum is σ = 8361602. Its totient is φ = 8361600.

The previous prime is 8361589. The next prime is 8361611. The reversal of 8361601 is 1061638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6885376 + 1476225 = 2624^2 + 1215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8361601 is a prime.

It is not a weakly prime, because it can be changed into another prime (8361611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4180800 + 4180801.

It is an arithmetic number, because the mean of its divisors is an integer number (4180801).

Almost surely, 28361601 is an apocalyptic number.

It is an amenable number.

8361601 is a deficient number, since it is larger than the sum of its proper divisors (1).

8361601 is an equidigital number, since it uses as much as digits as its factorization.

8361601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8361601 is about 2891.6433044205. The cubic root of 8361601 is about 202.9690473486.

The spelling of 8361601 in words is "eight million, three hundred sixty-one thousand, six hundred one".