1682011 has 4 divisors (see below), whose sum is σ = 1701000. Its totient is φ = 1663024.

The previous prime is 1681991. The next prime is 1682017. The reversal of 1682011 is 1102861.

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

It is a cyclic number.

It is not a de Polignac number, because 1682011 - 2¹¹ = 1679963 is a prime.

It is a super-2 number, since 2×1682011² = 5658322008242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1682011.

It is not an unprimeable number, because it can be changed into a prime (1682017) 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, 9361 + ... + 9538.

It is an arithmetic number, because the mean of its divisors is an integer number (425250).

2^1682011 is an apocalyptic number.

1682011 is a deficient number, since it is larger than the sum of its proper divisors (18989).

1682011 is an equidigital number, since it uses as much as digits as its factorization.

1682011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18988.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1682011 is about 1296.9236677615. The cubic root of 1682011 is about 118.9258535822.

Adding to 1682011 its reverse (1102861), we get a palindrome (2784872).

The spelling of 1682011 in words is "one million, six hundred eighty-two thousand, eleven".