213250143 has 8 divisors (see below), whose sum is σ = 291268656. Its totient is φ = 138699200.

The previous prime is 213250127. The next prime is 213250199. The reversal of 213250143 is 341052312.

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 213250143 - 2⁴ = 213250127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213050143) 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, 866748 + ... + 866993.

It is an arithmetic number, because the mean of its divisors is an integer number (36408582).

Almost surely, 2^213250143 is an apocalyptic number.

213250143 is a deficient number, since it is larger than the sum of its proper divisors (78018513).

213250143 is a wasteful number, since it uses less digits than its factorization.

213250143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733785.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 213250143 is about 14603.0867627362. The cubic root of 213250143 is about 597.4429541191.

The spelling of 213250143 in words is "two hundred thirteen million, two hundred fifty thousand, one hundred forty-three".