161033 has 2 divisors, whose sum is σ = 161034. Its totient is φ = 161032.

The previous prime is 161017. The next prime is 161039. The reversal of 161033 is 330161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139129 + 21904 = 373^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 161033 - 2⁴ = 161017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 160999 and 161017.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161033.

It is not a weakly prime, because it can be changed into another prime (161039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80516 + 80517.

It is an arithmetic number, because the mean of its divisors is an integer number (80517).

2¹⁶¹⁰³³ is an apocalyptic number.

It is an amenable number.

161033 is a deficient number, since it is larger than the sum of its proper divisors (1).

161033 is an equidigital number, since it uses as much as digits as its factorization.

161033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 161033 is about 401.2891725427. The cubic root of 161033 is about 54.4049348537.

Adding to 161033 its reverse (330161), we get a palindrome (491194).

The spelling of 161033 in words is "one hundred sixty-one thousand, thirty-three".