1533073 has 4 divisors (see below), whose sum is σ = 1554148. Its totient is φ = 1512000.

The previous prime is 1533041. The next prime is 1533083. The reversal of 1533073 is 3703351.

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 588289 + 944784 = 767^2 + 972^2 .

It is a cyclic number.

It is not a de Polignac number, because 1533073 - 2⁵ = 1533041 is a prime.

It is a Duffinian number.

1533073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1533083) 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, 10428 + ... + 10573.

It is an arithmetic number, because the mean of its divisors is an integer number (388537).

2^1533073 is an apocalyptic number.

It is an amenable number.

1533073 is a deficient number, since it is larger than the sum of its proper divisors (21075).

1533073 is an equidigital number, since it uses as much as digits as its factorization.

1533073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21074.

The product of its (nonzero) digits is 945, while the sum is 22.

The square root of 1533073 is about 1238.1732512052. The cubic root of 1533073 is about 115.3066297078.

The spelling of 1533073 in words is "one million, five hundred thirty-three thousand, seventy-three".