541243520 has 64 divisors (see below), whose sum is σ = 1304294400. Its totient is φ = 214760448.

The previous prime is 541243517. The next prime is 541243529. The reversal of 541243520 is 25342145.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 541243520.

It is not an unprimeable number, because it can be changed into a prime (541243529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77951 + ... + 84609.

It is an arithmetic number, because the mean of its divisors is an integer number (20379600).

Almost surely, 2^541243520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 541243520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652147200).

541243520 is an abundant number, since it is smaller than the sum of its proper divisors (763050880).

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

541243520 is a wasteful number, since it uses less digits than its factorization.

541243520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805 (or 6793 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 541243520 is about 23264.6409815411. The cubic root of 541243520 is about 814.9498858869.

Adding to 541243520 its reverse (25342145), we get a palindrome (566585665).

The spelling of 541243520 in words is "five hundred forty-one million, two hundred forty-three thousand, five hundred twenty".