213851701 has 8 divisors (see below), whose sum is σ = 245816064. Its totient is φ = 182240880.

The previous prime is 213851689. The next prime is 213851711. The reversal of 213851701 is 107158312.

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 213851701 - 2⁹ = 213851189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213851701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213851711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87085 + ... + 89506.

It is an arithmetic number, because the mean of its divisors is an integer number (30727008).

Almost surely, 2^213851701 is an apocalyptic number.

It is an amenable number.

213851701 is a deficient number, since it is larger than the sum of its proper divisors (31964363).

213851701 is a wasteful number, since it uses less digits than its factorization.

213851701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176771.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 213851701 is about 14623.6692044097. The cubic root of 213851701 is about 598.0042029436.

The spelling of 213851701 in words is "two hundred thirteen million, eight hundred fifty-one thousand, seven hundred one".