541680781 has 8 divisors (see below), whose sum is σ = 557568000. Its totient is φ = 525975408.

The previous prime is 541680779. The next prime is 541680791. The reversal of 541680781 is 187086145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 541680781 - 2¹ = 541680779 is a prime.

It is a super-2 number, since 2×541680781² = 586836137009539922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541680731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39406 + ... + 51343.

It is an arithmetic number, because the mean of its divisors is an integer number (69696000).

Almost surely, 2^541680781 is an apocalyptic number.

It is an amenable number.

541680781 is a deficient number, since it is larger than the sum of its proper divisors (15887219).

541680781 is a wasteful number, since it uses less digits than its factorization.

541680781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90923.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 541680781 is about 23274.0366288274. The cubic root of 541680781 is about 815.1692879799.

The spelling of 541680781 in words is "five hundred forty-one million, six hundred eighty thousand, seven hundred eighty-one".