1504243073 has 4 divisors (see below), whose sum is σ = 1504461780. Its totient is φ = 1504024368.

The previous prime is 1504243067. The next prime is 1504243093. The reversal of 1504243073 is 3703424051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3703424051 = 23 ⋅161018437.

It can be written as a sum of positive squares in 2 ways, for example, as 494083984 + 1010159089 = 22228^2 + 31783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1504243073 - 2⁶ = 1504243009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1504243093) 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, 98690 + ... + 112907.

It is an arithmetic number, because the mean of its divisors is an integer number (376115445).

Almost surely, 2^1504243073 is an apocalyptic number.

It is an amenable number.

1504243073 is a deficient number, since it is larger than the sum of its proper divisors (218707).

1504243073 is an equidigital number, since it uses as much as digits as its factorization.

1504243073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218706.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 1504243073 is about 38784.5726159255. The cubic root of 1504243073 is about 1145.7925833286.

The spelling of 1504243073 in words is "one billion, five hundred four million, two hundred forty-three thousand, seventy-three".