612013043 has 2 divisors, whose sum is σ = 612013044. Its totient is φ = 612013042.

The previous prime is 612013007. The next prime is 612013057. The reversal of 612013043 is 340310216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612013043 - 2⁸ = 612012787 is a prime.

It is not a weakly prime, because it can be changed into another prime (612013343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306006521 + 306006522.

It is an arithmetic number, because the mean of its divisors is an integer number (306006522).

Almost surely, 2^612013043 is an apocalyptic number.

612013043 is a deficient number, since it is larger than the sum of its proper divisors (1).

612013043 is an equidigital number, since it uses as much as digits as its factorization.

612013043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 612013043 is about 24738.8973683145. The cubic root of 612013043 is about 849.0245062878.

Adding to 612013043 its reverse (340310216), we get a palindrome (952323259).

The spelling of 612013043 in words is "six hundred twelve million, thirteen thousand, forty-three".