51360901 has 2 divisors, whose sum is σ = 51360902. Its totient is φ = 51360900.

The previous prime is 51360871. The next prime is 51360919. The reversal of 51360901 is 10906315.

51360901 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 can be written as a sum of positive squares in only one way, i.e., 46908801 + 4452100 = 6849^2 + 2110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51360901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51360941) 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, 25680450 + 25680451.

It is an arithmetic number, because the mean of its divisors is an integer number (25680451).

Almost surely, 2^51360901 is an apocalyptic number.

It is an amenable number.

51360901 is a deficient number, since it is larger than the sum of its proper divisors (1).

51360901 is an equidigital number, since it uses as much as digits as its factorization.

51360901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 51360901 is about 7166.6520077369. The cubic root of 51360901 is about 371.7156771643.

The spelling of 51360901 in words is "fifty-one million, three hundred sixty thousand, nine hundred one".