541720611 has 12 divisors (see below), whose sum is σ = 782701192. Its totient is φ = 361047456.

The previous prime is 541720607. The next prime is 541720631. The reversal of 541720611 is 116027145.

It is a happy number.

541720611 is a `hidden beast` number, since 5 + 41 + 7 + 2 + 0 + 611 = 666.

It is not a de Polignac number, because 541720611 - 2² = 541720607 is a prime.

It is a super-2 number, since 2×541720611² = 586922440764426642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541720631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42495 + ... + 53751.

Almost surely, 2^541720611 is an apocalyptic number.

541720611 is a deficient number, since it is larger than the sum of its proper divisors (240980581).

541720611 is a wasteful number, since it uses less digits than its factorization.

541720611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16610 (or 16607 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 541720611 is about 23274.8922876133. The cubic root of 541720611 is about 815.1892673959.

Adding to 541720611 its reverse (116027145), we get a palindrome (657747756).

The spelling of 541720611 in words is "five hundred forty-one million, seven hundred twenty thousand, six hundred eleven".