511940677 has 2 divisors, whose sum is σ = 511940678. Its totient is φ = 511940676.

The previous prime is 511940657. The next prime is 511940711. The reversal of 511940677 is 776049115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507555841 + 4384836 = 22529^2 + 2094^2 .

It is a cyclic number.

It is not a de Polignac number, because 511940677 - 2¹⁵ = 511907909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511940657) 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, 255970338 + 255970339.

It is an arithmetic number, because the mean of its divisors is an integer number (255970339).

Almost surely, 2^511940677 is an apocalyptic number.

It is an amenable number.

511940677 is a deficient number, since it is larger than the sum of its proper divisors (1).

511940677 is an equidigital number, since it uses as much as digits as its factorization.

511940677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 511940677 is about 22626.1060945095. The cubic root of 511940677 is about 799.9691014108.

It can be divided in two parts, 5119 and 40677, that added together give a square (45796 = 214²).

The spelling of 511940677 in words is "five hundred eleven million, nine hundred forty thousand, six hundred seventy-seven".