51060761 has 2 divisors, whose sum is σ = 51060762. Its totient is φ = 51060760.

The previous prime is 51060749. The next prime is 51060769. The reversal of 51060761 is 16706015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51036736 + 24025 = 7144^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 51060761 - 2⁶ = 51060697 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51060761.

It is not a weakly prime, because it can be changed into another prime (51060769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530380 + 25530381.

It is an arithmetic number, because the mean of its divisors is an integer number (25530381).

Almost surely, 2^51060761 is an apocalyptic number.

It is an amenable number.

51060761 is a deficient number, since it is larger than the sum of its proper divisors (1).

51060761 is an equidigital number, since it uses as much as digits as its factorization.

51060761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 51060761 is about 7145.6812831248. The cubic root of 51060761 is about 370.9901916167.

Adding to 51060761 its reverse (16706015), we get a palindrome (67766776).

The spelling of 51060761 in words is "fifty-one million, sixty thousand, seven hundred sixty-one".