8542873 has 2 divisors, whose sum is σ = 8542874. Its totient is φ = 8542872.

The previous prime is 8542847. The next prime is 8542879. The reversal of 8542873 is 3782458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6390784 + 2152089 = 2528^2 + 1467^2 .

It is a cyclic number.

It is not a de Polignac number, because 8542873 - 2¹³ = 8534681 is a prime.

It is a d-powerful number, because it can be written as 8³ + 5³ + 4⁵ + 2²³ + 8⁵ + 7⁶ + 3⁷ .

8542873 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8542879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4271436 + 4271437.

It is an arithmetic number, because the mean of its divisors is an integer number (4271437).

Almost surely, 2^8542873 is an apocalyptic number.

It is an amenable number.

8542873 is a deficient number, since it is larger than the sum of its proper divisors (1).

8542873 is an equidigital number, since it uses as much as digits as its factorization.

8542873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 37.

The square root of 8542873 is about 2922.8193580856. The cubic root of 8542873 is about 204.4253029517.

It can be divided in two parts, 854 and 2873, that multiplied together give a palindrome (2453542).

The spelling of 8542873 in words is "eight million, five hundred forty-two thousand, eight hundred seventy-three".