1035521 has 4 divisors (see below), whose sum is σ = 1096452. Its totient is φ = 974592.

The previous prime is 1035499. The next prime is 1035527. The reversal of 1035521 is 1255301.

1035521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 287296 + 748225 = 536^2 + 865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1035521 is a prime.

It is a super-3 number, since 3×1035521³ = 3331179127922177283, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 60913 = 1035521 / (1 + 0 + 3 + 5 + 5 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1035521.

It is not an unprimeable number, because it can be changed into a prime (1035527) 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, 30440 + ... + 30473.

It is an arithmetic number, because the mean of its divisors is an integer number (274113).

2^1035521 is an apocalyptic number.

It is an amenable number.

1035521 is a deficient number, since it is larger than the sum of its proper divisors (60931).

1035521 is an equidigital number, since it uses as much as digits as its factorization.

1035521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60930.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1035521 is about 1017.6055227838. The cubic root of 1035521 is about 101.1702842549.

The spelling of 1035521 in words is "one million, thirty-five thousand, five hundred twenty-one".