51362417 has 2 divisors, whose sum is σ = 51362418. Its totient is φ = 51362416.

The previous prime is 51362413. The next prime is 51362447. The reversal of 51362417 is 71426315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36493681 + 14868736 = 6041^2 + 3856^2 .

It is a cyclic number.

It is not a de Polignac number, because 51362417 - 2² = 51362413 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 51362417.

It is not a weakly prime, because it can be changed into another prime (51362413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25681208 + 25681209.

It is an arithmetic number, because the mean of its divisors is an integer number (25681209).

Almost surely, 2^51362417 is an apocalyptic number.

It is an amenable number.

51362417 is a deficient number, since it is larger than the sum of its proper divisors (1).

51362417 is an equidigital number, since it uses as much as digits as its factorization.

51362417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 51362417 is about 7166.7577746147. The cubic root of 51362417 is about 371.7193343913.

The spelling of 51362417 in words is "fifty-one million, three hundred sixty-two thousand, four hundred seventeen".