541606820 has 24 divisors (see below), whose sum is σ = 1139369784. Its totient is φ = 216262656.

The previous prime is 541606753. The next prime is 541606831. The reversal of 541606820 is 28606145.

It can be written as a sum of positive squares in 4 ways, for example, as 72624484 + 468982336 = 8522^2 + 21656^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11927 + ... + 35006.

It is an arithmetic number, because the mean of its divisors is an integer number (47473741).

Almost surely, 2^541606820 is an apocalyptic number.

It is an amenable number.

541606820 is an abundant number, since it is smaller than the sum of its proper divisors (597762964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

541606820 is a wasteful number, since it uses less digits than its factorization.

541606820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47519 (or 47517 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 541606820 is about 23272.4476581214. The cubic root of 541606820 is about 815.1321852667.

The spelling of 541606820 in words is "five hundred forty-one million, six hundred six thousand, eight hundred twenty".