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96661 is a prime number
BaseRepresentation
bin10111100110010101
311220121001
4113212111
511043121
62023301
7551545
oct274625
9156531
1096661
1166694
1247b31
1334cc6
1427325
151d991
hex17995

96661 has 2 divisors, whose sum is σ = 96662. Its totient is φ = 96660.

The previous prime is 96643. The next prime is 96667. The reversal of 96661 is 16669.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93636 + 3025 = 306^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 96661 - 29 = 96149 is a prime.

It is an Ulam number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48330 + 48331.

It is an arithmetic number, because the mean of its divisors is an integer number (48331).

296661 is an apocalyptic number.

96661 is the 180-th hex number.

It is an amenable number.

96661 is a deficient number, since it is larger than the sum of its proper divisors (1).

96661 is an equidigital number, since it uses as much as digits as its factorization.

96661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 96661 is about 310.9035220129. The cubic root of 96661 is about 45.8934205488.

It can be divided in two parts, 96 and 661, that added together give a palindrome (757).

The spelling of 96661 in words is "ninety-six thousand, six hundred sixty-one".