541066813 has 16 divisors (see below), whose sum is σ = 630784000. Its totient is φ = 454542192.

The previous prime is 541066787. The next prime is 541066817. The reversal of 541066813 is 318660145.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 541066813 - 2¹⁷ = 540935741 is a prime.

It is a super-2 number, since 2×541066813² = 585506592259953938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541066817) 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, 73348 + ... + 80386.

It is an arithmetic number, because the mean of its divisors is an integer number (39424000).

Almost surely, 2^541066813 is an apocalyptic number.

It is an amenable number.

541066813 is a deficient number, since it is larger than the sum of its proper divisors (89717187).

541066813 is a wasteful number, since it uses less digits than its factorization.

541066813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7264.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 541066813 is about 23260.8429125000. The cubic root of 541066813 is about 814.8611870425.

The spelling of 541066813 in words is "five hundred forty-one million, sixty-six thousand, eight hundred thirteen".