542002101 has 8 divisors (see below), whose sum is σ = 723398304. Its totient is φ = 360970320.

The previous prime is 542002039. The next prime is 542002103. The reversal of 542002101 is 101200245.

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

It is not a de Polignac number, because 542002101 - 2⁹ = 542001589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542002103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87615 + ... + 93596.

It is an arithmetic number, because the mean of its divisors is an integer number (90424788).

Almost surely, 2^542002101 is an apocalyptic number.

It is an amenable number.

542002101 is a deficient number, since it is larger than the sum of its proper divisors (181396203).

542002101 is a wasteful number, since it uses less digits than its factorization.

542002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182211.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 542002101 is about 23280.9385764406. The cubic root of 542002101 is about 815.3304397322.

Adding to 542002101 its reverse (101200245), we get a palindrome (643202346).

The spelling of 542002101 in words is "five hundred forty-two million, two thousand, one hundred one".