53171203 has 2 divisors, whose sum is σ = 53171204. Its totient is φ = 53171202.

The previous prime is 53171201. The next prime is 53171221. The reversal of 53171203 is 30217135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53171203 - 2¹ = 53171201 is a prime.

Together with 53171201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53171201) 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, 26585601 + 26585602.

It is an arithmetic number, because the mean of its divisors is an integer number (26585602).

Almost surely, 2^53171203 is an apocalyptic number.

53171203 is a deficient number, since it is larger than the sum of its proper divisors (1).

53171203 is an equidigital number, since it uses as much as digits as its factorization.

53171203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 53171203 is about 7291.8586793766. The cubic root of 53171203 is about 376.0325981810.

Adding to 53171203 its reverse (30217135), we get a palindrome (83388338).

The spelling of 53171203 in words is "fifty-three million, one hundred seventy-one thousand, two hundred three".