612035993 has 2 divisors, whose sum is σ = 612035994. Its totient is φ = 612035992.

The previous prime is 612035971. The next prime is 612036059. The reversal of 612035993 is 399530216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 567773584 + 44262409 = 23828^2 + 6653^2 .

It is a cyclic number.

It is not a de Polignac number, because 612035993 - 2⁶ = 612035929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (612035933) 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, 306017996 + 306017997.

It is an arithmetic number, because the mean of its divisors is an integer number (306017997).

Almost surely, 2^612035993 is an apocalyptic number.

It is an amenable number.

612035993 is a deficient number, since it is larger than the sum of its proper divisors (1).

612035993 is an equidigital number, since it uses as much as digits as its factorization.

612035993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 612035993 is about 24739.3612084063. The cubic root of 612035993 is about 849.0351187353.

The spelling of 612035993 in words is "six hundred twelve million, thirty-five thousand, nine hundred ninety-three".