210005342 has 8 divisors (see below), whose sum is σ = 315088032. Its totient is φ = 104976000.

The previous prime is 210005329. The next prime is 210005351. The reversal of 210005342 is 243500012.

210005342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 210005342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334 + ... + 20537.

It is an arithmetic number, because the mean of its divisors is an integer number (39386004).

Almost surely, 2^210005342 is an apocalyptic number.

210005342 is a deficient number, since it is larger than the sum of its proper divisors (105082690).

210005342 is a wasteful number, since it uses less digits than its factorization.

210005342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26674.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 210005342 is about 14491.5610615282. The cubic root of 210005342 is about 594.3972353020.

Adding to 210005342 its reverse (243500012), we get a palindrome (453505354).

The spelling of 210005342 in words is "two hundred ten million, five thousand, three hundred forty-two".