508493089 has 4 divisors (see below), whose sum is σ = 547607956. Its totient is φ = 469378224.

The previous prime is 508493087. The next prime is 508493099. The reversal of 508493089 is 980394805.

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 166539025 + 341954064 = 12905^2 + 18492^2 .

It is a cyclic number.

It is not a de Polignac number, because 508493089 - 2¹ = 508493087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (508493081) 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 in 3 ways as a sum of consecutive naturals, for example, 19557414 + ... + 19557439.

It is an arithmetic number, because the mean of its divisors is an integer number (136901989).

Almost surely, 2^508493089 is an apocalyptic number.

It is an amenable number.

508493089 is a deficient number, since it is larger than the sum of its proper divisors (39114867).

508493089 is a wasteful number, since it uses less digits than its factorization.

508493089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39114866.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 508493089 is about 22549.7913294115. The cubic root of 508493089 is about 798.1692977112.

The spelling of 508493089 in words is "five hundred eight million, four hundred ninety-three thousand, eighty-nine".