1543041 has 6 divisors (see below), whose sum is σ = 2228850. Its totient is φ = 1028688.

The previous prime is 1543037. The next prime is 1543051. The reversal of 1543041 is 1403451.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 103041 = 1200^2 + 321^2 .

It is not a de Polignac number, because 1543041 - 2² = 1543037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1543051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85716 + ... + 85733.

It is an arithmetic number, because the mean of its divisors is an integer number (371475).

2^1543041 is an apocalyptic number.

It is an amenable number.

1543041 is a deficient number, since it is larger than the sum of its proper divisors (685809).

1543041 is a wasteful number, since it uses less digits than its factorization.

1543041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171455 (or 171452 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1543041 is about 1242.1920141427. The cubic root of 1543041 is about 115.5559969096. Note that the first 3 decimals are identical.

Adding to 1543041 its reverse (1403451), we get a palindrome (2946492).

The spelling of 1543041 in words is "one million, five hundred forty-three thousand, forty-one".