461549 has 4 divisors (see below), whose sum is σ = 503520. Its totient is φ = 419580.

The previous prime is 461521. The next prime is 461561. The reversal of 461549 is 945164.

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 a de Polignac number, because none of the positive numbers 2^k-461549 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 (461569) 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, 20969 + ... + 20990.

It is an arithmetic number, because the mean of its divisors is an integer number (125880).

2⁴⁶¹⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

461549 is a deficient number, since it is larger than the sum of its proper divisors (41971).

461549 is a wasteful number, since it uses less digits than its factorization.

461549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41970.

The product of its digits is 4320, while the sum is 29.

The square root of 461549 is about 679.3739765402. The cubic root of 461549 is about 77.2809771626.

It can be divided in two parts, 4615 and 49, that added together give a palindrome (4664).

The spelling of 461549 in words is "four hundred sixty-one thousand, five hundred forty-nine".