2061361 has 2 divisors, whose sum is σ = 2061362. Its totient is φ = 2061360.

The previous prime is 2061341. The next prime is 2061379. The reversal of 2061361 is 1631602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1806336 + 255025 = 1344^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061361 - 2¹⁷ = 1930289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2061331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030680 + 1030681.

It is an arithmetic number, because the mean of its divisors is an integer number (1030681).

2^2061361 is an apocalyptic number.

It is an amenable number.

2061361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061361 is an equidigital number, since it uses as much as digits as its factorization.

2061361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2061361 is about 1435.7440579713. The cubic root of 2061361 is about 127.2676480812.

Adding to 2061361 its reverse (1631602), we get a palindrome (3692963).

The spelling of 2061361 in words is "two million, sixty-one thousand, three hundred sixty-one".