485347581 has 24 divisors (see below), whose sum is σ = 714804480. Its totient is φ = 317272896.

The previous prime is 485347573. The next prime is 485347607. The reversal of 485347581 is 185743584.

485347581 is a `hidden beast` number, since 48 + 534 + 75 + 8 + 1 = 666.

It is not a de Polignac number, because 485347581 - 2³ = 485347573 is a prime.

It is a super-2 number, since 2×485347581² = 471124548765103122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485367581) 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 23 ways as a sum of consecutive naturals, for example, 115540 + ... + 119666.

It is an arithmetic number, because the mean of its divisors is an integer number (29783520).

Almost surely, 2^485347581 is an apocalyptic number.

It is an amenable number.

485347581 is a deficient number, since it is larger than the sum of its proper divisors (229456899).

485347581 is a wasteful number, since it uses less digits than its factorization.

485347581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385 (or 4382 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 485347581 is about 22030.6055522766. The cubic root of 485347581 is about 785.8704455973.

The spelling of 485347581 in words is "four hundred eighty-five million, three hundred forty-seven thousand, five hundred eighty-one".