542517941 has 4 divisors (see below), whose sum is σ = 620020512. Its totient is φ = 465015372.

The previous prime is 542517929. The next prime is 542517959. The reversal of 542517941 is 149715245.

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, and also an emirpimes, since its reverse is a distinct semiprime: 149715245 = 5 ⋅29943049.

It is a cyclic number.

It is not a de Polignac number, because 542517941 - 2¹⁰ = 542516917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 542517895 and 542517904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542516941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38751275 + ... + 38751288.

It is an arithmetic number, because the mean of its divisors is an integer number (155005128).

Almost surely, 2^542517941 is an apocalyptic number.

It is an amenable number.

542517941 is a deficient number, since it is larger than the sum of its proper divisors (77502571).

542517941 is an equidigital number, since it uses as much as digits as its factorization.

542517941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77502570.

The product of its digits is 50400, while the sum is 38.

The square root of 542517941 is about 23292.0145328823. The cubic root of 542517941 is about 815.5890160350.

The spelling of 542517941 in words is "five hundred forty-two million, five hundred seventeen thousand, nine hundred forty-one".