612336377 has 2 divisors, whose sum is σ = 612336378. Its totient is φ = 612336376.

The previous prime is 612336343. The next prime is 612336419. The reversal of 612336377 is 773633216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576528121 + 35808256 = 24011^2 + 5984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612336377 is a prime.

It is a super-2 number, since 2×612336377² = 749911677194972258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 612336377.

It is not a weakly prime, because it can be changed into another prime (612336317) 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, 306168188 + 306168189.

It is an arithmetic number, because the mean of its divisors is an integer number (306168189).

Almost surely, 2^612336377 is an apocalyptic number.

It is an amenable number.

612336377 is a deficient number, since it is larger than the sum of its proper divisors (1).

612336377 is an equidigital number, since it uses as much as digits as its factorization.

612336377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 38.

The square root of 612336377 is about 24745.4314369340. The cubic root of 612336377 is about 849.1739966531.

The spelling of 612336377 in words is "six hundred twelve million, three hundred thirty-six thousand, three hundred seventy-seven".