2041961 has 2 divisors, whose sum is σ = 2041962. Its totient is φ = 2041960.

The previous prime is 2041957. The next prime is 2041967. The reversal of 2041961 is 1691402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1771561 + 270400 = 1331^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041961 - 2² = 2041957 is a prime.

It is not a weakly prime, because it can be changed into another prime (2041967) 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, 1020980 + 1020981.

It is an arithmetic number, because the mean of its divisors is an integer number (1020981).

2^2041961 is an apocalyptic number.

It is an amenable number.

2041961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2041961 is an equidigital number, since it uses as much as digits as its factorization.

2041961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2041961 is about 1428.9720081233. The cubic root of 2041961 is about 126.8671394582.

The spelling of 2041961 in words is "two million, forty-one thousand, nine hundred sixty-one".