461523 has 4 divisors (see below), whose sum is σ = 615368. Its totient is φ = 307680.

The previous prime is 461521. The next prime is 461561. The reversal of 461523 is 325164.

It is a happy number.

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

It is not a de Polignac number, because 461523 - 2¹ = 461521 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 461523.

It is not an unprimeable number, because it can be changed into a prime (461521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76918 + ... + 76923.

It is an arithmetic number, because the mean of its divisors is an integer number (153842).

2⁴⁶¹⁵²³ is an apocalyptic number.

461523 is a deficient number, since it is larger than the sum of its proper divisors (153845).

461523 is a wasteful number, since it uses less digits than its factorization.

461523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153844.

The product of its digits is 720, while the sum is 21.

The square root of 461523 is about 679.3548410073. The cubic root of 461523 is about 77.2795260035.

Adding to 461523 its reverse (325164), we get a palindrome (786687).

The spelling of 461523 in words is "four hundred sixty-one thousand, five hundred twenty-three".