2011073 has 2 divisors, whose sum is σ = 2011074. Its totient is φ = 2011072.

The previous prime is 2011069. The next prime is 2011081. The reversal of 2011073 is 3701102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1481089 + 529984 = 1217^2 + 728^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011073 - 2² = 2011069 is a prime.

It is a super-2 number, since 2×2011073² = 8088829222658, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2011003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005536 + 1005537.

It is an arithmetic number, because the mean of its divisors is an integer number (1005537).

2^2011073 is an apocalyptic number.

It is an amenable number.

2011073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011073 is an equidigital number, since it uses as much as digits as its factorization.

2011073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 2011073 is about 1418.1230553094. The cubic root of 2011073 is about 126.2241956215.

Adding to 2011073 its reverse (3701102), we get a palindrome (5712175).

The spelling of 2011073 in words is "two million, eleven thousand, seventy-three".