51986203 has 2 divisors, whose sum is σ = 51986204. Its totient is φ = 51986202.

The previous prime is 51986191. The next prime is 51986219. The reversal of 51986203 is 30268915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51986203 - 2¹⁷ = 51855131 is a prime.

It is not a weakly prime, because it can be changed into another prime (51986243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25993101 + 25993102.

It is an arithmetic number, because the mean of its divisors is an integer number (25993102).

Almost surely, 2^51986203 is an apocalyptic number.

51986203 is a deficient number, since it is larger than the sum of its proper divisors (1).

51986203 is an equidigital number, since it uses as much as digits as its factorization.

51986203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 51986203 is about 7210.1458376374. The cubic root of 51986203 is about 373.2181015717.

The spelling of 51986203 in words is "fifty-one million, nine hundred eighty-six thousand, two hundred three".