8040543 has 8 divisors (see below), whose sum is σ = 12252288. Its totient is φ = 4594584.

The previous prime is 8040533. The next prime is 8040559. The reversal of 8040543 is 3450408.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8040543 - 2²⁰ = 6991967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191421 + ... + 191462.

It is an arithmetic number, because the mean of its divisors is an integer number (1531536).

Almost surely, 2^8040543 is an apocalyptic number.

8040543 is a deficient number, since it is larger than the sum of its proper divisors (4211745).

8040543 is a wasteful number, since it uses less digits than its factorization.

8040543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382893.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 8040543 is about 2835.5851248023. The cubic root of 8040543 is about 200.3372891936.

The spelling of 8040543 in words is "eight million, forty thousand, five hundred forty-three".