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169361 is a prime number
BaseRepresentation
bin101001010110010001
322121022122
4221112101
520404421
63344025
71303523
oct512621
9277278
10169361
11106275
1282015
135c11a
1445a13
15352ab
hex29591

169361 has 2 divisors, whose sum is σ = 169362. Its totient is φ = 169360.

The previous prime is 169343. The next prime is 169369. The reversal of 169361 is 163961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101761 + 67600 = 319^2 + 260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-169361 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 169361.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 169361.

It is not a weakly prime, because it can be changed into another prime (169369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84680 + 84681.

It is an arithmetic number, because the mean of its divisors is an integer number (84681).

2169361 is an apocalyptic number.

It is an amenable number.

169361 is a deficient number, since it is larger than the sum of its proper divisors (1).

169361 is an equidigital number, since it uses as much as digits as its factorization.

169361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 26.

The square root of 169361 is about 411.5349316887. The cubic root of 169361 is about 55.3270867612.

It can be divided in two parts, 169 and 361, that multiplied together give a square (61009 = 2472).

The spelling of 169361 in words is "one hundred sixty-nine thousand, three hundred sixty-one".