612664333 has 2 divisors, whose sum is σ = 612664334. Its totient is φ = 612664332.

The previous prime is 612664321. The next prime is 612664361. The reversal of 612664333 is 333466216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466689609 + 145974724 = 21603^2 + 12082^2 .

It is a cyclic number.

It is not a de Polignac number, because 612664333 - 2¹³ = 612656141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612664303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306332166 + 306332167.

It is an arithmetic number, because the mean of its divisors is an integer number (306332167).

Almost surely, 2^612664333 is an apocalyptic number.

It is an amenable number.

612664333 is a deficient number, since it is larger than the sum of its proper divisors (1).

612664333 is an equidigital number, since it uses as much as digits as its factorization.

612664333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 34.

The square root of 612664333 is about 24752.0571468313. The cubic root of 612664333 is about 849.3255702077.

The spelling of 612664333 in words is "six hundred twelve million, six hundred sixty-four thousand, three hundred thirty-three".