485781065 has 16 divisors (see below), whose sum is σ = 726779520. Its totient is φ = 302824320.

The previous prime is 485781061. The next prime is 485781071. The reversal of 485781065 is 560187584.

It is a happy number.

It is not a de Polignac number, because 485781065 - 2² = 485781061 is a prime.

It is a super-2 number, since 2×485781065² = 471966486225068450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (485781061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630500 + ... + 631269.

It is an arithmetic number, because the mean of its divisors is an integer number (45423720).

Almost surely, 2^485781065 is an apocalyptic number.

It is an amenable number.

485781065 is a deficient number, since it is larger than the sum of its proper divisors (240998455).

485781065 is a wasteful number, since it uses less digits than its factorization.

485781065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261792.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 485781065 is about 22040.4415790610. The cubic root of 485781065 is about 786.1043404444.

The spelling of 485781065 in words is "four hundred eighty-five million, seven hundred eighty-one thousand, sixty-five".