542490541 has 4 divisors (see below), whose sum is σ = 543441184. Its totient is φ = 541539900.

The previous prime is 542490503. The next prime is 542490547. The reversal of 542490541 is 145094245.

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 542490541 - 2²³ = 534101933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542490497 and 542490506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542490547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474465 + ... + 475606.

It is an arithmetic number, because the mean of its divisors is an integer number (135860296).

Almost surely, 2^542490541 is an apocalyptic number.

It is an amenable number.

542490541 is a deficient number, since it is larger than the sum of its proper divisors (950643).

542490541 is an equidigital number, since it uses as much as digits as its factorization.

542490541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950642.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 542490541 is about 23291.4263410380. The cubic root of 542490541 is about 815.5752852969.

The spelling of 542490541 in words is "five hundred forty-two million, four hundred ninety thousand, five hundred forty-one".