51000371 has 2 divisors, whose sum is σ = 51000372. Its totient is φ = 51000370.

The previous prime is 51000359. The next prime is 51000379. The reversal of 51000371 is 17300015.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51000371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51000379) 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, 25500185 + 25500186.

It is an arithmetic number, because the mean of its divisors is an integer number (25500186).

Almost surely, 2^51000371 is an apocalyptic number.

51000371 is a deficient number, since it is larger than the sum of its proper divisors (1).

51000371 is an equidigital number, since it uses as much as digits as its factorization.

51000371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 51000371 is about 7141.4544036912. The cubic root of 51000371 is about 370.8438761581.

Adding to 51000371 its reverse (17300015), we get a palindrome (68300386).

The spelling of 51000371 in words is "fifty-one million, three hundred seventy-one", and thus it is an aban number.