2070091 has 2 divisors, whose sum is σ = 2070092. Its totient is φ = 2070090.

The previous prime is 2070083. The next prime is 2070137. The reversal of 2070091 is 1900702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2070091 - 2³ = 2070083 is a prime.

It is not a weakly prime, because it can be changed into another prime (2070041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035045 + 1035046.

It is an arithmetic number, because the mean of its divisors is an integer number (1035046).

2^2070091 is an apocalyptic number.

2070091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2070091 is an equidigital number, since it uses as much as digits as its factorization.

2070091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 2070091 is about 1438.7810813324. The cubic root of 2070091 is about 127.4470573478.

Adding to 2070091 its reverse (1900702), we get a palindrome (3970793).

The spelling of 2070091 in words is "two million, seventy thousand, ninety-one".