542516061 has 4 divisors (see below), whose sum is σ = 723354752. Its totient is φ = 361677372.

The previous prime is 542516011. The next prime is 542516069. The reversal of 542516061 is 160615245.

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 not a de Polignac number, because 542516061 - 2¹⁷ = 542384989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542516069) 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, 90419341 + ... + 90419346.

It is an arithmetic number, because the mean of its divisors is an integer number (180838688).

Almost surely, 2^542516061 is an apocalyptic number.

It is an amenable number.

542516061 is a deficient number, since it is larger than the sum of its proper divisors (180838691).

542516061 is a wasteful number, since it uses less digits than its factorization.

542516061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180838690.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 542516061 is about 23291.9741756683. The cubic root of 542516061 is about 815.5880739408.

The spelling of 542516061 in words is "five hundred forty-two million, five hundred sixteen thousand, sixty-one".