51127907 has 2 divisors, whose sum is σ = 51127908. Its totient is φ = 51127906.

The previous prime is 51127877. The next prime is 51127913. The reversal of 51127907 is 70972115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51127907 - 2²² = 46933603 is a prime.

It is a super-2 number, since 2×51127907² = 5228125748401298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51127927) 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, 25563953 + 25563954.

It is an arithmetic number, because the mean of its divisors is an integer number (25563954).

Almost surely, 2^51127907 is an apocalyptic number.

51127907 is a deficient number, since it is larger than the sum of its proper divisors (1).

51127907 is an equidigital number, since it uses as much as digits as its factorization.

51127907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 51127907 is about 7150.3781018908. The cubic root of 51127907 is about 371.1527404154.

The spelling of 51127907 in words is "fifty-one million, one hundred twenty-seven thousand, nine hundred seven".