1313533 has 8 divisors (see below), whose sum is σ = 1433600. Its totient is φ = 1196208.

The previous prime is 1313467. The next prime is 1313567. The reversal of 1313533 is 3353131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1313533 is a prime.

It is a Duffinian number.

1313533 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388 + ... + 1666.

It is an arithmetic number, because the mean of its divisors is an integer number (179200).

2^1313533 is an apocalyptic number.

1313533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1313533 is a deficient number, since it is larger than the sum of its proper divisors (120067).

1313533 is a wasteful number, since it uses less digits than its factorization.

1313533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its digits is 405, while the sum is 19.

The square root of 1313533 is about 1146.0946732273. The cubic root of 1313533 is about 109.5166950490.

Adding to 1313533 its reverse (3353131), we get a palindrome (4666664).

The spelling of 1313533 in words is "one million, three hundred thirteen thousand, five hundred thirty-three".