1000006541 has 2 divisors, whose sum is σ = 1000006542. Its totient is φ = 1000006540.

The previous prime is 1000006477. The next prime is 1000006571. The reversal of 1000006541 is 1456000001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 983073316 + 16933225 = 31354^2 + 4115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000006541 - 2⁶ = 1000006477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000006571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500003270 + 500003271.

It is an arithmetic number, because the mean of its divisors is an integer number (500003271).

Almost surely, 2^1000006541 is an apocalyptic number.

It is an amenable number.

1000006541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000006541 is an equidigital number, since it uses as much as digits as its factorization.

1000006541 is an evil number, because the sum of its binary digits is even.

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

The square root of 1000006541 is about 31622.8800238055. The cubic root of 1000006541 is about 1000.0021803286.

Adding to 1000006541 its reverse (1456000001), we get a palindrome (2456006542).

The spelling of 1000006541 in words is "one billion, six thousand, five hundred forty-one".