461543 has 4 divisors (see below), whose sum is σ = 466128. Its totient is φ = 456960.

The previous prime is 461521. The next prime is 461561. The reversal of 461543 is 345164.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461543 - 2⁶ = 461479 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2138 + ... + 2343.

It is an arithmetic number, because the mean of its divisors is an integer number (116532).

2⁴⁶¹⁵⁴³ is an apocalyptic number.

461543 is a deficient number, since it is larger than the sum of its proper divisors (4585).

461543 is a wasteful number, since it uses less digits than its factorization.

461543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584.

The product of its digits is 1440, while the sum is 23.

The square root of 461543 is about 679.3695606958. The cubic root of 461543 is about 77.2806422846.

The spelling of 461543 in words is "four hundred sixty-one thousand, five hundred forty-three".