485650831 has 4 divisors (see below), whose sum is σ = 486549064. Its totient is φ = 484752600.

The previous prime is 485650793. The next prime is 485650843. The reversal of 485650831 is 138056584.

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 485650831 - 2¹³ = 485642639 is a prime.

It is a super-2 number, since 2×485650831² = 471713459301981122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485650861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448305 + ... + 449386.

It is an arithmetic number, because the mean of its divisors is an integer number (121637266).

Almost surely, 2^485650831 is an apocalyptic number.

485650831 is a deficient number, since it is larger than the sum of its proper divisors (898233).

485650831 is an equidigital number, since it uses as much as digits as its factorization.

485650831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898232.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 485650831 is about 22037.4869483796. The cubic root of 485650831 is about 786.0340847467.

The spelling of 485650831 in words is "four hundred eighty-five million, six hundred fifty thousand, eight hundred thirty-one".