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65160397 is a prime number
BaseRepresentation
bin1111100010010…
…0010011001101
311112121111021001
43320210103031
5113140113042
610244340301
71420566001
oct370442315
9145544231
1065160397
1133865a75
12199a4691
1310665a63
148922701
155ac1bb7
hex3e244cd

65160397 has 2 divisors, whose sum is σ = 65160398. Its totient is φ = 65160396.

The previous prime is 65160379. The next prime is 65160401. The reversal of 65160397 is 79306156.

65160397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (65160379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64464841 + 695556 = 8029^2 + 834^2 .

It is a cyclic number.

It is not a de Polignac number, because 65160397 - 219 = 64636109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65160097) 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, 32580198 + 32580199.

It is an arithmetic number, because the mean of its divisors is an integer number (32580199).

Almost surely, 265160397 is an apocalyptic number.

It is an amenable number.

65160397 is a deficient number, since it is larger than the sum of its proper divisors (1).

65160397 is an equidigital number, since it uses as much as digits as its factorization.

65160397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 65160397 is about 8072.1990188548. The cubic root of 65160397 is about 402.4030284762.

The spelling of 65160397 in words is "sixty-five million, one hundred sixty thousand, three hundred ninety-seven".