496521 has 12 divisors (see below), whose sum is σ = 734448. Its totient is φ = 323064.

The previous prime is 496511. The next prime is 496549. The reversal of 496521 is 125694.

496521 is a `hidden beast` number, since 4 + 9 + 652 + 1 = 666.

It is not a de Polignac number, because 496521 - 2¹³ = 488329 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (496511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255 + ... + 1028.

It is an arithmetic number, because the mean of its divisors is an integer number (61204).

2⁴⁹⁶⁵²¹ is an apocalyptic number.

It is an amenable number.

496521 is a deficient number, since it is larger than the sum of its proper divisors (237927).

496521 is a wasteful number, since it uses less digits than its factorization.

496521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1329 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 496521 is about 704.6424625298. The cubic root of 496521 is about 79.1855383757.

The spelling of 496521 in words is "four hundred ninety-six thousand, five hundred twenty-one".