1330501 has 2 divisors, whose sum is σ = 1330502. Its totient is φ = 1330500.

The previous prime is 1330499. The next prime is 1330519. The reversal of 1330501 is 1050331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 641601 = 830^2 + 801^2 .

It is an emirp because it is prime and its reverse (1050331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330501 - 2¹ = 1330499 is a prime.

It is a super-2 number, since 2×1330501² = 3540465822002, which contains 22 as substring.

Together with 1330499, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665250 + 665251.

It is an arithmetic number, because the mean of its divisors is an integer number (665251).

2^1330501 is an apocalyptic number.

It is an amenable number.

1330501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330501 is an equidigital number, since it uses as much as digits as its factorization.

1330501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 1330501 is about 1153.4734500629. The cubic root of 1330501 is about 109.9862517253.

Adding to 1330501 its reverse (1050331), we get a palindrome (2380832).

The spelling of 1330501 in words is "one million, three hundred thirty thousand, five hundred one".