1006541 has 8 divisors (see below), whose sum is σ = 1039584. Its totient is φ = 974160.

The previous prime is 1006531. The next prime is 1006543. The reversal of 1006541 is 1456001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1006541 - 2¹⁸ = 744397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006543) 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, 5471 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (129948).

2^1006541 is an apocalyptic number.

It is an amenable number.

1006541 is a deficient number, since it is larger than the sum of its proper divisors (33043).

1006541 is an equidigital number, since it uses as much as digits as its factorization.

1006541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1006541 is about 1003.2651693346. The cubic root of 1006541 is about 100.2175596680.

The spelling of 1006541 in words is "one million, six thousand, five hundred forty-one".