476521 has 4 divisors (see below), whose sum is σ = 480852. Its totient is φ = 472192.

The previous prime is 476519. The next prime is 476579. The reversal of 476521 is 125674.

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

It can be written as a sum of positive squares in 2 ways, for example, as 189225 + 287296 = 435^2 + 536^2 .

It is a cyclic number.

It is not a de Polignac number, because 476521 - 2¹ = 476519 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476591) 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, 1996 + ... + 2221.

It is an arithmetic number, because the mean of its divisors is an integer number (120213).

2⁴⁷⁶⁵²¹ is an apocalyptic number.

It is an amenable number.

476521 is a deficient number, since it is larger than the sum of its proper divisors (4331).

476521 is a wasteful number, since it uses less digits than its factorization.

476521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330.

The product of its digits is 1680, while the sum is 25.

The square root of 476521 is about 690.3050050521. The cubic root of 476521 is about 78.1077297292.

The spelling of 476521 in words is "four hundred seventy-six thousand, five hundred twenty-one".