2002061 has 2 divisors, whose sum is σ = 2002062. Its totient is φ = 2002060.

The previous prime is 2002019. The next prime is 2002079. The reversal of 2002061 is 1602002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1012036 + 990025 = 1006^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002061 - 2⁶ = 2001997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001030 + 1001031.

It is an arithmetic number, because the mean of its divisors is an integer number (1001031).

2^2002061 is an apocalyptic number.

It is an amenable number.

2002061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002061 is an equidigital number, since it uses as much as digits as its factorization.

2002061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2002061 is about 1414.9420482833. The cubic root of 2002061 is about 126.0353684200.

Adding to 2002061 its reverse (1602002), we get a palindrome (3604063).

The spelling of 2002061 in words is "two million, two thousand, sixty-one".