214573243 has 4 divisors (see below), whose sum is σ = 217289440. Its totient is φ = 211857048.

The previous prime is 214573217. The next prime is 214573253. The reversal of 214573243 is 342375412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214573243 - 2¹³ = 214565051 is a prime.

It is a super-2 number, since 2×214573243² = 92083353223074098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214573253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357980 + ... + 1358137.

It is an arithmetic number, because the mean of its divisors is an integer number (54322360).

Almost surely, 2^214573243 is an apocalyptic number.

214573243 is a deficient number, since it is larger than the sum of its proper divisors (2716197).

214573243 is an equidigital number, since it uses as much as digits as its factorization.

214573243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716196.

The product of its digits is 20160, while the sum is 31.

The square root of 214573243 is about 14648.3187772522. The cubic root of 214573243 is about 598.6760092669.

The spelling of 214573243 in words is "two hundred fourteen million, five hundred seventy-three thousand, two hundred forty-three".