485531761 has 24 divisors (see below), whose sum is σ = 585857664. Its totient is φ = 398698560.

The previous prime is 485531749. The next prime is 485531773. The reversal of 485531761 is 167135584.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (485531749) and next prime (485531773).

It is not a de Polignac number, because 485531761 - 2¹¹ = 485529713 is a prime.

It is a super-2 number, since 2×485531761² = 471482181879522242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485531701) 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 23 ways as a sum of consecutive naturals, for example, 84595 + ... + 90151.

It is an arithmetic number, because the mean of its divisors is an integer number (24410736).

Almost surely, 2^485531761 is an apocalyptic number.

It is an amenable number.

485531761 is a deficient number, since it is larger than the sum of its proper divisors (100325903).

485531761 is a wasteful number, since it uses less digits than its factorization.

485531761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641 (or 5628 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 485531761 is about 22034.7852496910. The cubic root of 485531761 is about 785.9698405597.

The spelling of 485531761 in words is "four hundred eighty-five million, five hundred thirty-one thousand, seven hundred sixty-one".