51937273 has 2 divisors, whose sum is σ = 51937274. Its totient is φ = 51937272.

The previous prime is 51937271. The next prime is 51937309. The reversal of 51937273 is 37273915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44582329 + 7354944 = 6677^2 + 2712^2 .

It is a cyclic number.

It is not a de Polignac number, because 51937273 - 2¹ = 51937271 is a prime.

Together with 51937271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51937271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25968636 + 25968637.

It is an arithmetic number, because the mean of its divisors is an integer number (25968637).

Almost surely, 2^51937273 is an apocalyptic number.

It is an amenable number.

51937273 is a deficient number, since it is larger than the sum of its proper divisors (1).

51937273 is an equidigital number, since it uses as much as digits as its factorization.

51937273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 37.

The square root of 51937273 is about 7206.7519035971. The cubic root of 51937273 is about 373.1009724555.

The spelling of 51937273 in words is "fifty-one million, nine hundred thirty-seven thousand, two hundred seventy-three".