51017677 has 2 divisors, whose sum is σ = 51017678. Its totient is φ = 51017676.

The previous prime is 51017639. The next prime is 51017711. The reversal of 51017677 is 77671015.

It is an a-pointer prime, because the next prime (51017711) can be obtained adding 51017677 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29311396 + 21706281 = 5414^2 + 4659^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51017677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51017627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25508838 + 25508839.

It is an arithmetic number, because the mean of its divisors is an integer number (25508839).

Almost surely, 2^51017677 is an apocalyptic number.

It is an amenable number.

51017677 is a deficient number, since it is larger than the sum of its proper divisors (1).

51017677 is an equidigital number, since it uses as much as digits as its factorization.

51017677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10290, while the sum is 34.

The square root of 51017677 is about 7142.6659588700. The cubic root of 51017677 is about 370.8858176721.

The spelling of 51017677 in words is "fifty-one million, seventeen thousand, six hundred seventy-seven".