210052861 has 8 divisors (see below), whose sum is σ = 213966144. Its totient is φ = 206166240.

The previous prime is 210052789. The next prime is 210052883. The reversal of 210052861 is 168250012.

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 210052861 - 2¹³ = 210044669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210052361) 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, 9601 + ... + 22633.

It is an arithmetic number, because the mean of its divisors is an integer number (26745768).

Almost surely, 2^210052861 is an apocalyptic number.

It is an amenable number.

210052861 is a deficient number, since it is larger than the sum of its proper divisors (3913283).

210052861 is a wasteful number, since it uses less digits than its factorization.

210052861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13331.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 210052861 is about 14493.2005092043. The cubic root of 210052861 is about 594.4420643713.

The spelling of 210052861 in words is "two hundred ten million, fifty-two thousand, eight hundred sixty-one".