489507131 has 8 divisors (see below), whose sum is σ = 494601984. Its totient is φ = 484422120.

The previous prime is 489507107. The next prime is 489507173. The reversal of 489507131 is 131705984.

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

It is a cyclic number.

It is not a de Polignac number, because 489507131 - 2¹⁰ = 489506107 is a prime.

It is a super-2 number, since 2×489507131² = 479234462599702322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489507181) 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, 137666 + ... + 141176.

It is an arithmetic number, because the mean of its divisors is an integer number (61825248).

Almost surely, 2^489507131 is an apocalyptic number.

489507131 is a deficient number, since it is larger than the sum of its proper divisors (5094853).

489507131 is a wasteful number, since it uses less digits than its factorization.

489507131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 489507131 is about 22124.8080443650. The cubic root of 489507131 is about 788.1090977939.

The spelling of 489507131 in words is "four hundred eighty-nine million, five hundred seven thousand, one hundred thirty-one".