1013533 has 2 divisors, whose sum is σ = 1013534. Its totient is φ = 1013532.

The previous prime is 1013531. The next prime is 1013563. The reversal of 1013533 is 3353101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 851929 + 161604 = 923^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013533 - 2¹ = 1013531 is a prime.

Together with 1013531, it forms a pair of twin primes.

1013533 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506766 + 506767.

It is an arithmetic number, because the mean of its divisors is an integer number (506767).

2^1013533 is an apocalyptic number.

It is an amenable number.

1013533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013533 is an equidigital number, since it uses as much as digits as its factorization.

1013533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 1013533 is about 1006.7437608448. The cubic root of 1013533 is about 100.4490802504.

Adding to 1013533 its reverse (3353101), we get a palindrome (4366634).

The spelling of 1013533 in words is "one million, thirteen thousand, five hundred thirty-three".