509242303 has 8 divisors (see below), whose sum is σ = 515793600. Its totient is φ = 502720800.

The previous prime is 509242243. The next prime is 509242343. The reversal of 509242303 is 303242905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-509242303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509242343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28026 + ... + 42472.

It is an arithmetic number, because the mean of its divisors is an integer number (64474200).

Almost surely, 2^509242303 is an apocalyptic number.

509242303 is a deficient number, since it is larger than the sum of its proper divisors (6551297).

509242303 is a wasteful number, since it uses less digits than its factorization.

509242303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14897.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 509242303 is about 22566.3976522616. The cubic root of 509242303 is about 798.5611130361.

It can be divided in two parts, 509242 and 303, that added together give a triangular number (509545 = T₁₀₀₉).

The spelling of 509242303 in words is "five hundred nine million, two hundred forty-two thousand, three hundred three".