1671017 has 4 divisors (see below), whose sum is σ = 1673616. Its totient is φ = 1668420.

The previous prime is 1670983. The next prime is 1671041. The reversal of 1671017 is 7101761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1671017 - 2⁶ = 1670953 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1670983 and 1671001.

It is not an unprimeable number, because it can be changed into a prime (1671077) 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, 458 + ... + 1884.

It is an arithmetic number, because the mean of its divisors is an integer number (418404).

2^1671017 is an apocalyptic number.

It is an amenable number.

1671017 is a deficient number, since it is larger than the sum of its proper divisors (2599).

1671017 is a wasteful number, since it uses less digits than its factorization.

1671017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 1671017 is about 1292.6782275570. The cubic root of 1671017 is about 118.6661783355. Note that the first 3 decimals are identical.

Adding to 1671017 its reverse (7101761), we get a palindrome (8772778).

The spelling of 1671017 in words is "one million, six hundred seventy-one thousand, seventeen".