471284309 has 2 divisors, whose sum is σ = 471284310. Its totient is φ = 471284308.

The previous prime is 471284291. The next prime is 471284323. The reversal of 471284309 is 903482174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246584209 + 224700100 = 15703^2 + 14990^2 .

It is a cyclic number.

It is not a de Polignac number, because 471284309 - 2²⁴ = 454507093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471284399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235642154 + 235642155.

It is an arithmetic number, because the mean of its divisors is an integer number (235642155).

Almost surely, 2^471284309 is an apocalyptic number.

It is an amenable number.

471284309 is a deficient number, since it is larger than the sum of its proper divisors (1).

471284309 is an equidigital number, since it uses as much as digits as its factorization.

471284309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 471284309 is about 21709.0835596531. The cubic root of 471284309 is about 778.2055555038.

The spelling of 471284309 in words is "four hundred seventy-one million, two hundred eighty-four thousand, three hundred nine".