611020043 has 2 divisors, whose sum is σ = 611020044. Its totient is φ = 611020042.

The previous prime is 611020009. The next prime is 611020057. The reversal of 611020043 is 340020116.

611020043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611020043 - 2²⁴ = 594242827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (611020063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305510021 + 305510022.

It is an arithmetic number, because the mean of its divisors is an integer number (305510022).

Almost surely, 2^611020043 is an apocalyptic number.

611020043 is a deficient number, since it is larger than the sum of its proper divisors (1).

611020043 is an equidigital number, since it uses as much as digits as its factorization.

611020043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 611020043 is about 24718.8196117857. The cubic root of 611020043 is about 848.5650728785.

Adding to 611020043 its reverse (340020116), we get a palindrome (951040159).

The spelling of 611020043 in words is "six hundred eleven million, twenty thousand, forty-three".