485633531 has 4 divisors (see below), whose sum is σ = 485839200. Its totient is φ = 485427864.

The previous prime is 485633459. The next prime is 485633579. The reversal of 485633531 is 135336584.

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

It is a cyclic number.

It is not a de Polignac number, because 485633531 - 2¹⁰ = 485632507 is a prime.

It is a super-2 number, since 2×485633531² = 471679852863055922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485633831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99251 + ... + 104028.

It is an arithmetic number, because the mean of its divisors is an integer number (121459800).

Almost surely, 2^485633531 is an apocalyptic number.

485633531 is a deficient number, since it is larger than the sum of its proper divisors (205669).

485633531 is a wasteful number, since it uses less digits than its factorization.

485633531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205668.

The product of its digits is 129600, while the sum is 38.

The square root of 485633531 is about 22037.0944318892. The cubic root of 485633531 is about 786.0247511883.

The spelling of 485633531 in words is "four hundred eighty-five million, six hundred thirty-three thousand, five hundred thirty-one".