51715361 has 2 divisors, whose sum is σ = 51715362. Its totient is φ = 51715360.

The previous prime is 51715337. The next prime is 51715393. The reversal of 51715361 is 16351715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46512400 + 5202961 = 6820^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 51715361 - 2⁶ = 51715297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51714361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25857680 + 25857681.

It is an arithmetic number, because the mean of its divisors is an integer number (25857681).

Almost surely, 2^51715361 is an apocalyptic number.

It is an amenable number.

51715361 is a deficient number, since it is larger than the sum of its proper divisors (1).

51715361 is an equidigital number, since it uses as much as digits as its factorization.

51715361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 29.

The square root of 51715361 is about 7191.3393050252. The cubic root of 51715361 is about 372.5688319268.

The spelling of 51715361 in words is "fifty-one million, seven hundred fifteen thousand, three hundred sixty-one".