874543 has 2 divisors, whose sum is σ = 874544. Its totient is φ = 874542.

The previous prime is 874537. The next prime is 874547. The reversal of 874543 is 345478.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-874543 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437271 + 437272.

It is an arithmetic number, because the mean of its divisors is an integer number (437272).

2⁸⁷⁴⁵⁴³ is an apocalyptic number.

874543 is a deficient number, since it is larger than the sum of its proper divisors (1).

874543 is an equidigital number, since it uses as much as digits as its factorization.

874543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 31.

The square root of 874543 is about 935.1700380145. The cubic root of 874543 is about 95.6299046283.

The spelling of 874543 in words is "eight hundred seventy-four thousand, five hundred forty-three".