478573 has 2 divisors, whose sum is σ = 478574. Its totient is φ = 478572.

The previous prime is 478571. The next prime is 478579. The reversal of 478573 is 375874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316969 + 161604 = 563^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 478573 - 2¹ = 478571 is a prime.

Together with 478571, it forms a pair of twin primes.

478573 is a lucky number.

It is equal to p₃₉₈₉₅ and since 478573 and 39895 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239286 + 239287.

It is an arithmetic number, because the mean of its divisors is an integer number (239287).

2⁴⁷⁸⁵⁷³ is an apocalyptic number.

It is an amenable number.

478573 is a deficient number, since it is larger than the sum of its proper divisors (1).

478573 is an equidigital number, since it uses as much as digits as its factorization.

478573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 34.

The square root of 478573 is about 691.7897079315. The cubic root of 478573 is about 78.2196853044.

The spelling of 478573 in words is "four hundred seventy-eight thousand, five hundred seventy-three".