2061331 has 2 divisors, whose sum is σ = 2061332. Its totient is φ = 2061330.

The previous prime is 2061313. The next prime is 2061341. The reversal of 2061331 is 1331602.

Together with previous prime (2061313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2061331 - 2⁷ = 2061203 is a prime.

It is a super-2 number, since 2×2061331² = 8498170983122, which contains 22 as substring.

2061331 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2061341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030665 + 1030666.

It is an arithmetic number, because the mean of its divisors is an integer number (1030666).

2^2061331 is an apocalyptic number.

2061331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061331 is an equidigital number, since it uses as much as digits as its factorization.

2061331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2061331 is about 1435.7336103888. The cubic root of 2061331 is about 127.2670306820.

Adding to 2061331 its reverse (1331602), we get a palindrome (3392933).

The spelling of 2061331 in words is "two million, sixty-one thousand, three hundred thirty-one".