2042961 has 4 divisors (see below), whose sum is σ = 2723952. Its totient is φ = 1361972.

The previous prime is 2042933. The next prime is 2042969. The reversal of 2042961 is 1692402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2042961 - 2⁹ = 2042449 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2042969) 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 in 3 ways as a sum of consecutive naturals, for example, 340491 + ... + 340496.

It is an arithmetic number, because the mean of its divisors is an integer number (680988).

2^2042961 is an apocalyptic number.

It is an amenable number.

2042961 is a deficient number, since it is larger than the sum of its proper divisors (680991).

2042961 is an equidigital number, since it uses as much as digits as its factorization.

2042961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680990.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2042961 is about 1429.3218671804. The cubic root of 2042961 is about 126.8878460951.

It can be divided in two parts, 2042 and 961, that added together give a palindrome (3003).

The spelling of 2042961 in words is "two million, forty-two thousand, nine hundred sixty-one".