2067491 has 2 divisors, whose sum is σ = 2067492. Its totient is φ = 2067490.

The previous prime is 2067479. The next prime is 2067511. The reversal of 2067491 is 1947602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2067491 - 2⁶ = 2067427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2067431) 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, 1033745 + 1033746.

It is an arithmetic number, because the mean of its divisors is an integer number (1033746).

2^2067491 is an apocalyptic number.

2067491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2067491 is an equidigital number, since it uses as much as digits as its factorization.

2067491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2067491 is about 1437.8772548448. The cubic root of 2067491 is about 127.3936778628.

The spelling of 2067491 in words is "two million, sixty-seven thousand, four hundred ninety-one".