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19069 is a prime number
BaseRepresentation
bin100101001111101
3222011021
410221331
51102234
6224141
7106411
oct45175
928137
1019069
1113366
12b051
1388ab
146d41
1559b4
hex4a7d

19069 has 2 divisors, whose sum is σ = 19070. Its totient is φ = 19068.

The previous prime is 19051. The next prime is 19073. The reversal of 19069 is 96091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19044 + 25 = 138^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 19069 - 25 = 19037 is a prime.

It is a super-2 number, since 2×190692 = 727253522, which contains 22 as substring.

It is a plaindrome in base 11 and base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9534 + 9535.

It is an arithmetic number, because the mean of its divisors is an integer number (9535).

219069 is an apocalyptic number.

It is an amenable number.

19069 is a deficient number, since it is larger than the sum of its proper divisors (1).

19069 is an equidigital number, since it uses as much as digits as its factorization.

19069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 19069 is about 138.0905500025. The cubic root of 19069 is about 26.7162791680.

Subtracting from 19069 its sum of digits (25), we obtain a square (19044 = 1382).

The spelling of 19069 in words is "nineteen thousand, sixty-nine".