2064181 has 8 divisors (see below), whose sum is σ = 2461824. Its totient is φ = 1692240.

The previous prime is 2064169. The next prime is 2064187. The reversal of 2064181 is 1814602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2064181 - 2⁵ = 2064149 is a prime.

It is a super-2 number, since 2×2064181² = 8521686401522, 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 (2064187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6250 + ... + 6571.

It is an arithmetic number, because the mean of its divisors is an integer number (307728).

2^2064181 is an apocalyptic number.

It is an amenable number.

2064181 is a deficient number, since it is larger than the sum of its proper divisors (397643).

2064181 is a wasteful number, since it uses less digits than its factorization.

2064181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12851.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2064181 is about 1436.7257915135. The cubic root of 2064181 is about 127.3256568809.

Adding to 2064181 its reverse (1814602), we get a palindrome (3878783).

The spelling of 2064181 in words is "two million, sixty-four thousand, one hundred eighty-one".