1331017 has 4 divisors (see below), whose sum is σ = 1340100. Its totient is φ = 1321936.

The previous prime is 1330997. The next prime is 1331023. The reversal of 1331017 is 7101331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7101331 = 269 ⋅26399.

It can be written as a sum of positive squares in 2 ways, for example, as 241081 + 1089936 = 491^2 + 1044^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331017 - 2¹¹ = 1328969 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1332017) 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, 4318 + ... + 4615.

It is an arithmetic number, because the mean of its divisors is an integer number (335025).

2^1331017 is an apocalyptic number.

It is an amenable number.

1331017 is a deficient number, since it is larger than the sum of its proper divisors (9083).

1331017 is an equidigital number, since it uses as much as digits as its factorization.

1331017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 1331017 is about 1153.6971006291. The cubic root of 1331017 is about 110.0004683176. Note that the first 3 decimals are identical.

Adding to 1331017 its reverse (7101331), we get a palindrome (8432348).

The spelling of 1331017 in words is "one million, three hundred thirty-one thousand, seventeen".