542202005 has 4 divisors (see below), whose sum is σ = 650642412. Its totient is φ = 433761600.

The previous prime is 542201987. The next prime is 542202053. The reversal of 542202005 is 500202245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500202245 = 5 ⋅100040449.

It can be written as a sum of positive squares in 2 ways, for example, as 376127236 + 166074769 = 19394^2 + 12887^2 .

It is not a de Polignac number, because 542202005 - 2⁶ = 542201941 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54220196 + ... + 54220205.

It is an arithmetic number, because the mean of its divisors is an integer number (162660603).

Almost surely, 2^542202005 is an apocalyptic number.

It is an amenable number.

542202005 is a deficient number, since it is larger than the sum of its proper divisors (108440407).

542202005 is a wasteful number, since it uses less digits than its factorization.

542202005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108440406.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 542202005 is about 23285.2314783427. The cubic root of 542202005 is about 815.4306655321.

The spelling of 542202005 in words is "five hundred forty-two million, two hundred two thousand, five".