471285421 has 2 divisors, whose sum is σ = 471285422. Its totient is φ = 471285420.

The previous prime is 471285379. The next prime is 471285431. The reversal of 471285421 is 124582174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287980900 + 183304521 = 16970^2 + 13539^2 .

It is a cyclic number.

It is not a de Polignac number, because 471285421 - 2¹⁵ = 471252653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471285431) 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, 235642710 + 235642711.

It is an arithmetic number, because the mean of its divisors is an integer number (235642711).

Almost surely, 2^471285421 is an apocalyptic number.

It is an amenable number.

471285421 is a deficient number, since it is larger than the sum of its proper divisors (1).

471285421 is an equidigital number, since it uses as much as digits as its factorization.

471285421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17920, while the sum is 34.

The square root of 471285421 is about 21709.1091710369. The cubic root of 471285421 is about 778.2061675645.

The spelling of 471285421 in words is "four hundred seventy-one million, two hundred eighty-five thousand, four hundred twenty-one".