2073181 has 16 divisors (see below), whose sum is σ = 2399040. Its totient is φ = 1774080.

The previous prime is 2073173. The next prime is 2073193. The reversal of 2073181 is 1813702.

It is not a de Polignac number, because 2073181 - 2³ = 2073173 is a prime.

It is a super-2 number, since 2×2073181² = 8596158917522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2073101) 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 in 15 ways as a sum of consecutive naturals, for example, 21325 + ... + 21421.

It is an arithmetic number, because the mean of its divisors is an integer number (149940).

2^2073181 is an apocalyptic number.

It is an amenable number.

2073181 is a deficient number, since it is larger than the sum of its proper divisors (325859).

2073181 is a wasteful number, since it uses less digits than its factorization.

2073181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 2073181 is about 1439.8545065388. The cubic root of 2073181 is about 127.5104387199.

Adding to 2073181 its reverse (1813702), we get a palindrome (3886883).

The spelling of 2073181 in words is "two million, seventy-three thousand, one hundred eighty-one".