51360871 has 2 divisors, whose sum is σ = 51360872. Its totient is φ = 51360870.

The previous prime is 51360853. The next prime is 51360901. The reversal of 51360871 is 17806315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51360871 - 2⁵ = 51360839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51360571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25680435 + 25680436.

It is an arithmetic number, because the mean of its divisors is an integer number (25680436).

Almost surely, 2^51360871 is an apocalyptic number.

51360871 is a deficient number, since it is larger than the sum of its proper divisors (1).

51360871 is an equidigital number, since it uses as much as digits as its factorization.

51360871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 51360871 is about 7166.6499147091. The cubic root of 51360871 is about 371.7156047910.

The spelling of 51360871 in words is "fifty-one million, three hundred sixty thousand, eight hundred seventy-one".