51230273 has 2 divisors, whose sum is σ = 51230274. Its totient is φ = 51230272.

The previous prime is 51230261. The next prime is 51230287. The reversal of 51230273 is 37203215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36881329 + 14348944 = 6073^2 + 3788^2 .

It is a cyclic number.

It is not a de Polignac number, because 51230273 - 2¹⁰ = 51229249 is a prime.

It is not a weakly prime, because it can be changed into another prime (51200273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25615136 + 25615137.

It is an arithmetic number, because the mean of its divisors is an integer number (25615137).

Almost surely, 2^51230273 is an apocalyptic number.

It is an amenable number.

51230273 is a deficient number, since it is larger than the sum of its proper divisors (1).

51230273 is an equidigital number, since it uses as much as digits as its factorization.

51230273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 51230273 is about 7157.5326055841. The cubic root of 51230273 is about 371.4002770712.

Adding to 51230273 its reverse (37203215), we get a palindrome (88433488).

The spelling of 51230273 in words is "fifty-one million, two hundred thirty thousand, two hundred seventy-three".