51262273 has 2 divisors, whose sum is σ = 51262274. Its totient is φ = 51262272.

The previous prime is 51262261. The next prime is 51262291. The reversal of 51262273 is 37226215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44997264 + 6265009 = 6708^2 + 2503^2 .

It is a cyclic number.

It is not a de Polignac number, because 51262273 - 2²⁵ = 17707841 is a prime.

It is not a weakly prime, because it can be changed into another prime (51262573) 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, 25631136 + 25631137.

It is an arithmetic number, because the mean of its divisors is an integer number (25631137).

Almost surely, 2^51262273 is an apocalyptic number.

It is an amenable number.

51262273 is a deficient number, since it is larger than the sum of its proper divisors (1).

51262273 is an equidigital number, since it uses as much as digits as its factorization.

51262273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 51262273 is about 7159.7676638282. The cubic root of 51262273 is about 371.4775903113.

Adding to 51262273 its reverse (37226215), we get a palindrome (88488488).

The spelling of 51262273 in words is "fifty-one million, two hundred sixty-two thousand, two hundred seventy-three".