51033197 has 2 divisors, whose sum is σ = 51033198. Its totient is φ = 51033196.

The previous prime is 51033187. The next prime is 51033209. The reversal of 51033197 is 79133015.

51033197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34880836 + 16152361 = 5906^2 + 4019^2 .

It is a cyclic number.

It is not a de Polignac number, because 51033197 - 2⁸ = 51032941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51033137) 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, 25516598 + 25516599.

It is an arithmetic number, because the mean of its divisors is an integer number (25516599).

Almost surely, 2^51033197 is an apocalyptic number.

It is an amenable number.

51033197 is a deficient number, since it is larger than the sum of its proper divisors (1).

51033197 is an equidigital number, since it uses as much as digits as its factorization.

51033197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 51033197 is about 7143.7523053365. The cubic root of 51033197 is about 370.9234227053.

The spelling of 51033197 in words is "fifty-one million, thirty-three thousand, one hundred ninety-seven".