1641017 has 4 divisors (see below), whose sum is σ = 1875456. Its totient is φ = 1406580.

The previous prime is 1641007. The next prime is 1641043. The reversal of 1641017 is 7101461.

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 an emirpimes, since its reverse is a distinct semiprime: 7101461 = 17 ⋅417733.

It is not a de Polignac number, because 1641017 - 2⁶ = 1640953 is a prime.

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 1641017.

It is not an unprimeable number, because it can be changed into a prime (1641007) 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, 117209 + ... + 117222.

It is an arithmetic number, because the mean of its divisors is an integer number (468864).

2^1641017 is an apocalyptic number.

It is an amenable number.

1641017 is a deficient number, since it is larger than the sum of its proper divisors (234439).

1641017 is an equidigital number, since it uses as much as digits as its factorization.

1641017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234438.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1641017 is about 1281.0218577370. The cubic root of 1641017 is about 117.9517422128.

Adding to 1641017 its reverse (7101461), we get a palindrome (8742478).

The spelling of 1641017 in words is "one million, six hundred forty-one thousand, seventeen".