541681785 has 12 divisors (see below), whose sum is σ = 938915172. Its totient is φ = 288896928.

The previous prime is 541681771. The next prime is 541681787. The reversal of 541681785 is 587186145.

It can be written as a sum of positive squares in 2 ways, for example, as 183223296 + 358458489 = 13536^2 + 18933^2 .

It is not a de Polignac number, because 541681785 - 2⁵ = 541681753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 12037373 = 541681785 / (5 + 4 + 1 + 6 + 8 + 1 + 7 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 541681785.

It is not an unprimeable number, because it can be changed into a prime (541681787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6018642 + ... + 6018731.

It is an arithmetic number, because the mean of its divisors is an integer number (78242931).

Almost surely, 2^541681785 is an apocalyptic number.

It is an amenable number.

541681785 is a deficient number, since it is larger than the sum of its proper divisors (397233387).

541681785 is a wasteful number, since it uses less digits than its factorization.

541681785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12037384 (or 12037381 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The square root of 541681785 is about 23274.0581979164. The cubic root of 541681785 is about 815.1697916157.

The spelling of 541681785 in words is "five hundred forty-one million, six hundred eighty-one thousand, seven hundred eighty-five".