542042516 has 6 divisors (see below), whose sum is σ = 948574410. Its totient is φ = 271021256.

The previous prime is 542042453. The next prime is 542042549. The reversal of 542042516 is 615240245.

It can be written as a sum of positive squares in only one way, i.e., 526518916 + 15523600 = 22946^2 + 3940^2 .

It is a super-2 number, since 2×542042516² = 587620178303220512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 67755311 + ... + 67755318.

It is an arithmetic number, because the mean of its divisors is an integer number (158095735).

Almost surely, 2^542042516 is an apocalyptic number.

It is an amenable number.

542042516 is a deficient number, since it is larger than the sum of its proper divisors (406531894).

542042516 is a wasteful number, since it uses less digits than its factorization.

542042516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135510633 (or 135510631 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 542042516 is about 23281.8065450257. The cubic root of 542042516 is about 815.3507045741.

The spelling of 542042516 in words is "five hundred forty-two million, forty-two thousand, five hundred sixteen".