493001509 has 32 divisors (see below), whose sum is σ = 666360576. Its totient is φ = 352235520.

The previous prime is 493001497. The next prime is 493001557. The reversal of 493001509 is 905100394.

It is not a de Polignac number, because 493001509 - 2¹¹ = 492999461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493001609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155589 + ... + 158725.

It is an arithmetic number, because the mean of its divisors is an integer number (20823768).

Almost surely, 2^493001509 is an apocalyptic number.

It is an amenable number.

493001509 is a deficient number, since it is larger than the sum of its proper divisors (173359067).

493001509 is a wasteful number, since it uses less digits than its factorization.

493001509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 493001509 is about 22203.6372921195. The cubic root of 493001509 is about 789.9799754578.

The spelling of 493001509 in words is "four hundred ninety-three million, one thousand, five hundred nine".