542100215 has 8 divisors (see below), whose sum is σ = 652487568. Its totient is φ = 432368640.

The previous prime is 542100187. The next prime is 542100259. The reversal of 542100215 is 512001245.

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

It is not a de Polignac number, because 542100215 - 2⁶ = 542100151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 162122 + ... + 165431.

It is an arithmetic number, because the mean of its divisors is an integer number (81560946).

Almost surely, 2^542100215 is an apocalyptic number.

542100215 is a deficient number, since it is larger than the sum of its proper divisors (110387353).

542100215 is a wasteful number, since it uses less digits than its factorization.

542100215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327889.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 542100215 is about 23283.0456555838. The cubic root of 542100215 is about 815.3796341936.

The spelling of 542100215 in words is "five hundred forty-two million, one hundred thousand, two hundred fifteen".