612566011 has 2 divisors, whose sum is σ = 612566012. Its totient is φ = 612566010.

The previous prime is 612565973. The next prime is 612566021. The reversal of 612566011 is 110665216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612566011 - 2²⁹ = 75695099 is a prime.

It is not a weakly prime, because it can be changed into another prime (612566021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306283005 + 306283006.

It is an arithmetic number, because the mean of its divisors is an integer number (306283006).

Almost surely, 2^612566011 is an apocalyptic number.

612566011 is a deficient number, since it is larger than the sum of its proper divisors (1).

612566011 is an equidigital number, since it uses as much as digits as its factorization.

612566011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 612566011 is about 24750.0709291913. The cubic root of 612566011 is about 849.2801337689.

The spelling of 612566011 in words is "six hundred twelve million, five hundred sixty-six thousand, eleven".