486957521 has 4 divisors (see below), whose sum is σ = 487406592. Its totient is φ = 486508452.

The previous prime is 486957487. The next prime is 486957551. The reversal of 486957521 is 125759684.

It is a happy number.

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 not a de Polignac number, because 486957521 - 2¹⁰ = 486956497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (486957551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222905 + ... + 225078.

It is an arithmetic number, because the mean of its divisors is an integer number (121851648).

Almost surely, 2^486957521 is an apocalyptic number.

It is an amenable number.

486957521 is a deficient number, since it is larger than the sum of its proper divisors (449071).

486957521 is a wasteful number, since it uses less digits than its factorization.

486957521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449070.

The product of its digits is 604800, while the sum is 47.

The square root of 486957521 is about 22067.1140161100. The cubic root of 486957521 is about 786.7384200526.

The spelling of 486957521 in words is "four hundred eighty-six million, nine hundred fifty-seven thousand, five hundred twenty-one".