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65664059 is a prime number
BaseRepresentation
bin1111101001111…
…1010000111011
311120120002011012
43322133100323
5113302222214
610303224135
71425064256
oct372372073
9146502135
1065664059
113407a41a
1219ba804b
13107b1096
148a1409d
155b7103e
hex3e9f43b

65664059 has 2 divisors, whose sum is σ = 65664060. Its totient is φ = 65664058.

The previous prime is 65664043. The next prime is 65664073. The reversal of 65664059 is 95046656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65664059 - 24 = 65664043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65664259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32832029 + 32832030.

It is an arithmetic number, because the mean of its divisors is an integer number (32832030).

Almost surely, 265664059 is an apocalyptic number.

65664059 is a deficient number, since it is larger than the sum of its proper divisors (1).

65664059 is an equidigital number, since it uses as much as digits as its factorization.

65664059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 65664059 is about 8103.3362882210. The cubic root of 65664059 is about 403.4371696471.

The spelling of 65664059 in words is "sixty-five million, six hundred sixty-four thousand, fifty-nine".