210056243 has 8 divisors (see below), whose sum is σ = 217273056. Its totient is φ = 202939200.

The previous prime is 210056239. The next prime is 210056281. The reversal of 210056243 is 342650012.

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

It is a cyclic number.

It is not a de Polignac number, because 210056243 - 2² = 210056239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210056213) 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, 20648 + ... + 29093.

It is an arithmetic number, because the mean of its divisors is an integer number (27159132).

Almost surely, 2^210056243 is an apocalyptic number.

210056243 is a deficient number, since it is larger than the sum of its proper divisors (7216813).

210056243 is a wasteful number, since it uses less digits than its factorization.

210056243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49885.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 210056243 is about 14493.3171841370. The cubic root of 210056243 is about 594.4452546671.

The spelling of 210056243 in words is "two hundred ten million, fifty-six thousand, two hundred forty-three".