51005701 has 2 divisors, whose sum is σ = 51005702. Its totient is φ = 51005700.

The previous prime is 51005683. The next prime is 51005711. The reversal of 51005701 is 10750015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31069476 + 19936225 = 5574^2 + 4465^2 .

It is a cyclic number.

It is not a de Polignac number, because 51005701 - 2¹¹ = 51003653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51005711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25502850 + 25502851.

It is an arithmetic number, because the mean of its divisors is an integer number (25502851).

Almost surely, 2^51005701 is an apocalyptic number.

It is an amenable number.

51005701 is a deficient number, since it is larger than the sum of its proper divisors (1).

51005701 is an equidigital number, since it uses as much as digits as its factorization.

51005701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 51005701 is about 7141.8275672268. The cubic root of 51005701 is about 370.8567945543.

Adding to 51005701 its reverse (10750015), we get a palindrome (61755716).

It can be divided in two parts, 5100 and 5701, that added together give a palindrome (10801).

The spelling of 51005701 in words is "fifty-one million, five thousand, seven hundred one".