285473 has 2 divisors, whose sum is σ = 285474. Its totient is φ = 285472.

The previous prime is 285469. The next prime is 285497. The reversal of 285473 is 374582.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277729 + 7744 = 527^2 + 88^2 .

It is a cyclic number.

It is not a de Polignac number, because 285473 - 2² = 285469 is a prime.

It is a d-powerful number, because it can be written as 2 + 8³ + 4⁹ + 5⁵ + 7 + 3⁹ .

It is equal to p₂₄₈₇₈ and since 285473 and 24878 have the same sum of digits, it is a Honaker prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 285473.

It is not a weakly prime, because it can be changed into another prime (285433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142736 + 142737.

It is an arithmetic number, because the mean of its divisors is an integer number (142737).

2²⁸⁵⁴⁷³ is an apocalyptic number.

It is an amenable number.

285473 is a deficient number, since it is larger than the sum of its proper divisors (1).

285473 is an equidigital number, since it uses as much as digits as its factorization.

285473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 285473 is about 534.2967340346. The cubic root of 285473 is about 65.8448298390.

The spelling of 285473 in words is "two hundred eighty-five thousand, four hundred seventy-three".