2026091 has 2 divisors, whose sum is σ = 2026092. Its totient is φ = 2026090.

The previous prime is 2026081. The next prime is 2026099. The reversal of 2026091 is 1906202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2026091 is a prime.

It is equal to p₁₅₀₇₄₃ and since 2026091 and 150743 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2026099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013045 + 1013046.

It is an arithmetic number, because the mean of its divisors is an integer number (1013046).

2^2026091 is an apocalyptic number.

2026091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026091 is an equidigital number, since it uses as much as digits as its factorization.

2026091 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 20.

The square root of 2026091 is about 1423.4082337826. The cubic root of 2026091 is about 126.5376163343.

The spelling of 2026091 in words is "two million, twenty-six thousand, ninety-one".