80543041 has 4 divisors (see below), whose sum is σ = 81056212. Its totient is φ = 80029872.

The previous prime is 80543011. The next prime is 80543069. The reversal of 80543041 is 14034508.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14592400 + 65950641 = 3820^2 + 8121^2 .

It is a cyclic number.

It is not a de Polignac number, because 80543041 - 2¹³ = 80534849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80542997 and 80543015.

It is not an unprimeable number, because it can be changed into a prime (80543011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256350 + ... + 256663.

It is an arithmetic number, because the mean of its divisors is an integer number (20264053).

Almost surely, 2^80543041 is an apocalyptic number.

It is an amenable number.

80543041 is a deficient number, since it is larger than the sum of its proper divisors (513171).

80543041 is a wasteful number, since it uses less digits than its factorization.

80543041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513170.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 80543041 is about 8974.5774830908. The cubic root of 80543041 is about 431.8596955922.

Adding to 80543041 its reverse (14034508), we get a palindrome (94577549).

The spelling of 80543041 in words is "eighty million, five hundred forty-three thousand, forty-one".