51192937 has 2 divisors, whose sum is σ = 51192938. Its totient is φ = 51192936.

The previous prime is 51192931. The next prime is 51192971. The reversal of 51192937 is 73929115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48038761 + 3154176 = 6931^2 + 1776^2 .

It is a cyclic number.

It is not a de Polignac number, because 51192937 - 2²³ = 42804329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51192896 and 51192905.

It is not a weakly prime, because it can be changed into another prime (51192931) 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, 25596468 + 25596469.

It is an arithmetic number, because the mean of its divisors is an integer number (25596469).

Almost surely, 2^51192937 is an apocalyptic number.

It is an amenable number.

51192937 is a deficient number, since it is larger than the sum of its proper divisors (1).

51192937 is an equidigital number, since it uses as much as digits as its factorization.

51192937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 37.

The square root of 51192937 is about 7154.9239688483. The cubic root of 51192937 is about 371.3100311424.

The spelling of 51192937 in words is "fifty-one million, one hundred ninety-two thousand, nine hundred thirty-seven".