485091509 has 8 divisors (see below), whose sum is σ = 556834368. Its totient is φ = 413959680.

The previous prime is 485091491. The next prime is 485091511. The reversal of 485091509 is 905190584.

It is a happy number.

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-485091509 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 (485091539) 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 7 ways as a sum of consecutive naturals, for example, 151052 + ... + 154229.

It is an arithmetic number, because the mean of its divisors is an integer number (69604296).

Almost surely, 2^485091509 is an apocalyptic number.

It is an amenable number.

485091509 is a deficient number, since it is larger than the sum of its proper divisors (71742859).

485091509 is a wasteful number, since it uses less digits than its factorization.

485091509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305515.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 485091509 is about 22024.7930523762. The cubic root of 485091509 is about 785.7322114556.

The spelling of 485091509 in words is "four hundred eighty-five million, ninety-one thousand, five hundred nine".