51132019 has 2 divisors, whose sum is σ = 51132020. Its totient is φ = 51132018.

The previous prime is 51132007. The next prime is 51132023. The reversal of 51132019 is 91023115.

51132019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51132019 - 2¹⁷ = 51000947 is a prime.

It is a super-2 number, since 2×51132019² = 5228966734032722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51132049) 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, 25566009 + 25566010.

It is an arithmetic number, because the mean of its divisors is an integer number (25566010).

Almost surely, 2^51132019 is an apocalyptic number.

51132019 is a deficient number, since it is larger than the sum of its proper divisors (1).

51132019 is an equidigital number, since it uses as much as digits as its factorization.

51132019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 51132019 is about 7150.6656333519. The cubic root of 51132019 is about 371.1626902272.

The spelling of 51132019 in words is "fifty-one million, one hundred thirty-two thousand, nineteen".