541505042 has 8 divisors (see below), whose sum is σ = 874738956. Its totient is φ = 249925392.

The previous prime is 541505039. The next prime is 541505047. The reversal of 541505042 is 240505145.

It can be written as a sum of positive squares in 2 ways, for example, as 537822481 + 3682561 = 23191^2 + 1919^2 .

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

It is a super-2 number, since 2×541505042² = 586455421022843528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 20827117 = 541505042 / (5 + 4 + 1 + 5 + 0 + 5 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (541505047) 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 3 ways as a sum of consecutive naturals, for example, 10413533 + ... + 10413584.

Almost surely, 2^541505042 is an apocalyptic number.

541505042 is a deficient number, since it is larger than the sum of its proper divisors (333233914).

541505042 is a wasteful number, since it uses less digits than its factorization.

541505042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20827132.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 541505042 is about 23270.2608923922. The cubic root of 541505042 is about 815.0811225660.

The spelling of 541505042 in words is "five hundred forty-one million, five hundred five thousand, forty-two".