210243004 has 12 divisors (see below), whose sum is σ = 368038944. Its totient is φ = 105089024.

The previous prime is 210242987. The next prime is 210243013. The reversal of 210243004 is 400342012.

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, 11964 + ... + 23740.

It is an arithmetic number, because the mean of its divisors is an integer number (30669912).

Almost surely, 2^210243004 is an apocalyptic number.

It is an amenable number.

210243004 is a deficient number, since it is larger than the sum of its proper divisors (157795940).

210243004 is a wasteful number, since it uses less digits than its factorization.

210243004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16244 (or 16242 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 210243004 is about 14499.7587566138. The cubic root of 210243004 is about 594.6213762342.

Adding to 210243004 its reverse (400342012), we get a palindrome (610585016).

The spelling of 210243004 in words is "two hundred ten million, two hundred forty-three thousand, four".