541647881 has 4 divisors (see below), whose sum is σ = 553172352. Its totient is φ = 530123412.

The previous prime is 541647871. The next prime is 541647889. The reversal of 541647881 is 188746145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 541647881 - 2¹⁰ = 541646857 is a prime.

It is a super-2 number, since 2×541647881² = 586764853983580322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541647889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5762165 + ... + 5762258.

It is an arithmetic number, because the mean of its divisors is an integer number (138293088).

Almost surely, 2^541647881 is an apocalyptic number.

It is an amenable number.

541647881 is a deficient number, since it is larger than the sum of its proper divisors (11524471).

541647881 is a wasteful number, since it uses less digits than its factorization.

541647881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11524470.

The product of its digits is 215040, while the sum is 44.

The square root of 541647881 is about 23273.3298219228. The cubic root of 541647881 is about 815.1527840330.

The spelling of 541647881 in words is "five hundred forty-one million, six hundred forty-seven thousand, eight hundred eighty-one".