471249853 has 2 divisors, whose sum is σ = 471249854. Its totient is φ = 471249852.

The previous prime is 471249841. The next prime is 471249869. The reversal of 471249853 is 358942174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337199769 + 134050084 = 18363^2 + 11578^2 .

It is a cyclic number.

It is not a de Polignac number, because 471249853 - 2²¹ = 469152701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471249833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235624926 + 235624927.

It is an arithmetic number, because the mean of its divisors is an integer number (235624927).

Almost surely, 2^471249853 is an apocalyptic number.

It is an amenable number.

471249853 is a deficient number, since it is larger than the sum of its proper divisors (1).

471249853 is an equidigital number, since it uses as much as digits as its factorization.

471249853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 471249853 is about 21708.2899602894. The cubic root of 471249853 is about 778.1865899497.

The spelling of 471249853 in words is "four hundred seventy-one million, two hundred forty-nine thousand, eight hundred fifty-three".