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165112529 is a prime number
BaseRepresentation
bin10011101011101…
…10101011010001
3102111200120210212
421311312223101
5314232100104
624214533505
74043301431
oct1165665321
9374616725
10165112529
118522453a
1247367295
132829082a
1417d002c1
15e76736e
hex9d76ad1

165112529 has 2 divisors, whose sum is σ = 165112530. Its totient is φ = 165112528.

The previous prime is 165112523. The next prime is 165112547. The reversal of 165112529 is 925211561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156250000 + 8862529 = 12500^2 + 2977^2 .

It is an emirp because it is prime and its reverse (925211561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165112529 - 216 = 165046993 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 165112495 and 165112504.

It is not a weakly prime, because it can be changed into another prime (165112523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82556264 + 82556265.

It is an arithmetic number, because the mean of its divisors is an integer number (82556265).

Almost surely, 2165112529 is an apocalyptic number.

It is an amenable number.

165112529 is a deficient number, since it is larger than the sum of its proper divisors (1).

165112529 is an equidigital number, since it uses as much as digits as its factorization.

165112529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 32.

The square root of 165112529 is about 12849.6120174891. The cubic root of 165112529 is about 548.6053137364.

The spelling of 165112529 in words is "one hundred sixty-five million, one hundred twelve thousand, five hundred twenty-nine".