1535013 has 6 divisors (see below), whose sum is σ = 2217254. Its totient is φ = 1023336.

The previous prime is 1535011. The next prime is 1535041. The reversal of 1535013 is 3105351.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 859329 + 675684 = 927^2 + 822^2 .

It is not a de Polignac number, because 1535013 - 2¹ = 1535011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535011) 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 5 ways as a sum of consecutive naturals, for example, 85270 + ... + 85287.

2^1535013 is an apocalyptic number.

It is an amenable number.

1535013 is a deficient number, since it is larger than the sum of its proper divisors (682241).

1535013 is a wasteful number, since it uses less digits than its factorization.

1535013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170563 (or 170560 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1535013 is about 1238.9564156983. The cubic root of 1535013 is about 115.3552467819.

The spelling of 1535013 in words is "one million, five hundred thirty-five thousand, thirteen".