26430043 has 2 divisors, whose sum is σ = 26430044. Its totient is φ = 26430042.

The previous prime is 26430031. The next prime is 26430077. The reversal of 26430043 is 34003462.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26430043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26429996 and 26430023.

It is not a weakly prime, because it can be changed into another prime (26430023) 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, 13215021 + 13215022.

It is an arithmetic number, because the mean of its divisors is an integer number (13215022).

Almost surely, 2^26430043 is an apocalyptic number.

26430043 is a deficient number, since it is larger than the sum of its proper divisors (1).

26430043 is an equidigital number, since it uses as much as digits as its factorization.

26430043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 26430043 is about 5141.0157556654. The cubic root of 26430043 is about 297.8740177351.

The spelling of 26430043 in words is "twenty-six million, four hundred thirty thousand, forty-three".