51163417 has 2 divisors, whose sum is σ = 51163418. Its totient is φ = 51163416.

The previous prime is 51163403. The next prime is 51163429. The reversal of 51163417 is 71436115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48149721 + 3013696 = 6939^2 + 1736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51163417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51163117) 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, 25581708 + 25581709.

It is an arithmetic number, because the mean of its divisors is an integer number (25581709).

Almost surely, 2^51163417 is an apocalyptic number.

It is an amenable number.

51163417 is a deficient number, since it is larger than the sum of its proper divisors (1).

51163417 is an equidigital number, since it uses as much as digits as its factorization.

51163417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 51163417 is about 7152.8607563687. The cubic root of 51163417 is about 371.2386464273.

The spelling of 51163417 in words is "fifty-one million, one hundred sixty-three thousand, four hundred seventeen".