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969236161 is a prime number
BaseRepresentation
bin111001110001010…
…101111011000001
32111112210022001121
4321301111323001
53441111024121
6240102032241
733006241255
oct7161257301
92445708047
10969236161
11458121523
12230718681
13125a5862a
1492a20265
155a156141
hex39c55ec1

969236161 has 2 divisors, whose sum is σ = 969236162. Its totient is φ = 969236160.

The previous prime is 969236141. The next prime is 969236171. The reversal of 969236161 is 161632969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 598095936 + 371140225 = 24456^2 + 19265^2 .

It is an emirp because it is prime and its reverse (161632969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 969236161 - 213 = 969227969 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is equal to p49361884 and since 969236161 and 49361884 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (969236101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484618080 + 484618081.

It is an arithmetic number, because the mean of its divisors is an integer number (484618081).

Almost surely, 2969236161 is an apocalyptic number.

It is an amenable number.

969236161 is a deficient number, since it is larger than the sum of its proper divisors (1).

969236161 is an equidigital number, since it uses as much as digits as its factorization.

969236161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 43.

The square root of 969236161 is about 31132.5578936264. The cubic root of 969236161 is about 989.6383949581.

The spelling of 969236161 in words is "nine hundred sixty-nine million, two hundred thirty-six thousand, one hundred sixty-one".