541863543 has 16 divisors (see below), whose sum is σ = 779225216. Its totient is φ = 332955360.

The previous prime is 541863541. The next prime is 541863547. The reversal of 541863543 is 345368145.

It is not a de Polignac number, because 541863543 - 2¹ = 541863541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541863541) 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, 16896 + ... + 37002.

It is an arithmetic number, because the mean of its divisors is an integer number (48701576).

Almost surely, 2^541863543 is an apocalyptic number.

541863543 is a deficient number, since it is larger than the sum of its proper divisors (237361673).

541863543 is a wasteful number, since it uses less digits than its factorization.

541863543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20814.

The product of its digits is 172800, while the sum is 39.

The square root of 541863543 is about 23277.9626041456. The cubic root of 541863543 is about 815.2609564941.

The spelling of 541863543 in words is "five hundred forty-one million, eight hundred sixty-three thousand, five hundred forty-three".