461131589 has 4 divisors (see below), whose sum is σ = 463893024. Its totient is φ = 458370156.

The previous prime is 461131571. The next prime is 461131597. The reversal of 461131589 is 985131164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 461131589 - 2¹² = 461127493 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 (461121589) 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, 1380467 + ... + 1380800.

It is an arithmetic number, because the mean of its divisors is an integer number (115973256).

Almost surely, 2^461131589 is an apocalyptic number.

It is an amenable number.

461131589 is a deficient number, since it is larger than the sum of its proper divisors (2761435).

461131589 is a wasteful number, since it uses less digits than its factorization.

461131589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761434.

The product of its digits is 25920, while the sum is 38.

The square root of 461131589 is about 21473.9746903083. The cubic root of 461131589 is about 772.5767327416.

The spelling of 461131589 in words is "four hundred sixty-one million, one hundred thirty-one thousand, five hundred eighty-nine".