417564473 has 2 divisors, whose sum is σ = 417564474. Its totient is φ = 417564472.

The previous prime is 417564467. The next prime is 417564491. The reversal of 417564473 is 374465714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235530409 + 182034064 = 15347^2 + 13492^2 .

It is a cyclic number.

It is not a de Polignac number, because 417564473 - 2⁶ = 417564409 is a prime.

It is a super-2 number, since 2×417564473² = 348720178223535458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 417564473.

It is not a weakly prime, because it can be changed into another prime (417564073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208782236 + 208782237.

It is an arithmetic number, because the mean of its divisors is an integer number (208782237).

Almost surely, 2^417564473 is an apocalyptic number.

It is an amenable number.

417564473 is a deficient number, since it is larger than the sum of its proper divisors (1).

417564473 is an equidigital number, since it uses as much as digits as its factorization.

417564473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 41.

The square root of 417564473 is about 20434.3943634256. The cubic root of 417564473 is about 747.4368640538.

The spelling of 417564473 in words is "four hundred seventeen million, five hundred sixty-four thousand, four hundred seventy-three".