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65071 is a prime number
BaseRepresentation
bin1111111000101111
310022021001
433320233
54040241
61221131
7360466
oct177057
9108231
1065071
1144986
12317a7
1323806
14199dd
1514431
hexfe2f

65071 has 2 divisors, whose sum is σ = 65072. Its totient is φ = 65070.

The previous prime is 65063. The next prime is 65089. The reversal of 65071 is 17056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65071 - 23 = 65063 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32535 + 32536.

It is an arithmetic number, because the mean of its divisors is an integer number (32536).

265071 is an apocalyptic number.

65071 is a deficient number, since it is larger than the sum of its proper divisors (1).

65071 is an equidigital number, since it uses as much as digits as its factorization.

65071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 65071 is about 255.0901801324. The cubic root of 65071 is about 40.2218918244.

The spelling of 65071 in words is "sixty-five thousand, seventy-one".