1004724509 has 2 divisors, whose sum is σ = 1004724510. Its totient is φ = 1004724508.

The previous prime is 1004724491. The next prime is 1004724527. The reversal of 1004724509 is 9054274001.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1004724491) and next prime (1004724527).

It can be written as a sum of positive squares in only one way, i.e., 986148409 + 18576100 = 31403^2 + 4310^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004724509 - 2²⁴ = 987947293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004724569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502362254 + 502362255.

It is an arithmetic number, because the mean of its divisors is an integer number (502362255).

Almost surely, 2^1004724509 is an apocalyptic number.

It is an amenable number.

1004724509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004724509 is an equidigital number, since it uses as much as digits as its factorization.

1004724509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1004724509 is about 31697.3896243839. The cubic root of 1004724509 is about 1001.5723627130.

The spelling of 1004724509 in words is "one billion, four million, seven hundred twenty-four thousand, five hundred nine".