51849373 has 2 divisors, whose sum is σ = 51849374. Its totient is φ = 51849372.

The previous prime is 51849349. The next prime is 51849437. The reversal of 51849373 is 37394815.

51849373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40411449 + 11437924 = 6357^2 + 3382^2 .

It is a cyclic number.

It is not a de Polignac number, because 51849373 - 2⁵ = 51849341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51849073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25924686 + 25924687.

It is an arithmetic number, because the mean of its divisors is an integer number (25924687).

Almost surely, 2^51849373 is an apocalyptic number.

It is an amenable number.

51849373 is a deficient number, since it is larger than the sum of its proper divisors (1).

51849373 is an equidigital number, since it uses as much as digits as its factorization.

51849373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 51849373 is about 7200.6508733586. The cubic root of 51849373 is about 372.8903716521.

The spelling of 51849373 in words is "fifty-one million, eight hundred forty-nine thousand, three hundred seventy-three".