612109067 has 2 divisors, whose sum is σ = 612109068. Its totient is φ = 612109066.

The previous prime is 612109037. The next prime is 612109079. The reversal of 612109067 is 760901216.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612109067 - 2⁸ = 612108811 is a prime.

It is a super-2 number, since 2×612109067² = 749355019807220978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (612109027) 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, 306054533 + 306054534.

It is an arithmetic number, because the mean of its divisors is an integer number (306054534).

Almost surely, 2^612109067 is an apocalyptic number.

612109067 is a deficient number, since it is larger than the sum of its proper divisors (1).

612109067 is an equidigital number, since it uses as much as digits as its factorization.

612109067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 612109067 is about 24740.8380415862. The cubic root of 612109067 is about 849.0689075560.

The spelling of 612109067 in words is "six hundred twelve million, one hundred nine thousand, sixty-seven".