463521 has 8 divisors (see below), whose sum is σ = 621184. Its totient is φ = 307440.

The previous prime is 463513. The next prime is 463523. The reversal of 463521 is 125364.

It is a happy number.

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

It is not a de Polignac number, because 463521 - 2³ = 463513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463523) 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, 891 + ... + 1311.

It is an arithmetic number, because the mean of its divisors is an integer number (77648).

2⁴⁶³⁵²¹ is an apocalyptic number.

It is an amenable number.

463521 is a deficient number, since it is larger than the sum of its proper divisors (157663).

463521 is a wasteful number, since it uses less digits than its factorization.

463521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791.

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

The square root of 463521 is about 680.8237657426. The cubic root of 463521 is about 77.3908835553.

Adding to 463521 its reverse (125364), we get a palindrome (588885).

It can be divided in two parts, 4635 and 21, that added together give a triangular number (4656 = T₉₆).

The spelling of 463521 in words is "four hundred sixty-three thousand, five hundred twenty-one".