430091 has 2 divisors, whose sum is σ = 430092. Its totient is φ = 430090.

The previous prime is 430081. The next prime is 430093. The reversal of 430091 is 190034.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-430091 is a prime.

Together with 430093, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is equal to p₃₆₁₇₀ and since 430091 and 36170 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 (430093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215045 + 215046.

It is an arithmetic number, because the mean of its divisors is an integer number (215046).

2⁴³⁰⁰⁹¹ is an apocalyptic number.

430091 is a deficient number, since it is larger than the sum of its proper divisors (1).

430091 is an equidigital number, since it uses as much as digits as its factorization.

430091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 430091 is about 655.8132356090. The cubic root of 430091 is about 75.4837472142.

The spelling of 430091 in words is "four hundred thirty thousand, ninety-one".