461881065 has 16 divisors (see below), whose sum is σ = 743907456. Its totient is φ = 244704000.

The previous prime is 461881037. The next prime is 461881067. The reversal of 461881065 is 560188164.

It is not a de Polignac number, because 461881065 - 2¹¹ = 461879017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (461881067) 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 15 ways as a sum of consecutive naturals, for example, 99696 + ... + 104225.

It is an arithmetic number, because the mean of its divisors is an integer number (46494216).

Almost surely, 2^461881065 is an apocalyptic number.

It is an amenable number.

461881065 is a deficient number, since it is larger than the sum of its proper divisors (282026391).

461881065 is a wasteful number, since it uses less digits than its factorization.

461881065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204080.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 461881065 is about 21491.4184036326. The cubic root of 461881065 is about 772.9950618539.

The spelling of 461881065 in words is "four hundred sixty-one million, eight hundred eighty-one thousand, sixty-five".