507004009 has 4 divisors (see below), whose sum is σ = 507100804. Its totient is φ = 506907216.

The previous prime is 507003953. The next prime is 507004021. The reversal of 507004009 is 900400705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900400705 = 5 ⋅180080141.

It can be written as a sum of positive squares in 2 ways, for example, as 243266409 + 263737600 = 15597^2 + 16240^2 .

It is a cyclic number.

It is not a de Polignac number, because 507004009 - 2¹¹ = 507001961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507004409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40062 + ... + 51175.

It is an arithmetic number, because the mean of its divisors is an integer number (126775201).

Almost surely, 2^507004009 is an apocalyptic number.

It is an amenable number.

507004009 is a deficient number, since it is larger than the sum of its proper divisors (96795).

507004009 is an equidigital number, since it uses as much as digits as its factorization.

507004009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96794.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 507004009 is about 22516.7495211898. The cubic root of 507004009 is about 797.3894116563.

The spelling of 507004009 in words is "five hundred seven million, four thousand, nine".