213850427 has 12 divisors (see below), whose sum is σ = 246039120. Its totient is φ = 182077056.

The previous prime is 213850421. The next prime is 213850447. The reversal of 213850427 is 724058312.

It is not a de Polignac number, because 213850427 - 2⁴ = 213850411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213850393 and 213850402.

It is not an unprimeable number, because it can be changed into a prime (213850421) 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 11 ways as a sum of consecutive naturals, for example, 634403 + ... + 634739.

It is an arithmetic number, because the mean of its divisors is an integer number (20503260).

Almost surely, 2^213850427 is an apocalyptic number.

213850427 is a deficient number, since it is larger than the sum of its proper divisors (32188693).

213850427 is an frugal number, since it uses more digits than its factorization.

213850427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 213850427 is about 14623.6256448256. The cubic root of 213850427 is about 598.0030154246.

The spelling of 213850427 in words is "two hundred thirteen million, eight hundred fifty thousand, four hundred twenty-seven".