1659011 has 2 divisors, whose sum is σ = 1659012. Its totient is φ = 1659010.

The previous prime is 1658999. The next prime is 1659029. The reversal of 1659011 is 1109561.

It is a weak prime.

It is an emirp because it is prime and its reverse (1109561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1659011 - 2¹⁰ = 1657987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1659041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829505 + 829506.

It is an arithmetic number, because the mean of its divisors is an integer number (829506).

2^1659011 is an apocalyptic number.

1659011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1659011 is an equidigital number, since it uses as much as digits as its factorization.

1659011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 1659011 is about 1288.0260090542. The cubic root of 1659011 is about 118.3812955524.

The spelling of 1659011 in words is "one million, six hundred fifty-nine thousand, eleven".