214261243 has 16 divisors (see below), whose sum is σ = 256559104. Its totient is φ = 175063680.

The previous prime is 214261237. The next prime is 214261247. The reversal of 214261243 is 342162412.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214261243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214261247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7171 + ... + 21907.

It is an arithmetic number, because the mean of its divisors is an integer number (16034944).

Almost surely, 2^214261243 is an apocalyptic number.

214261243 is a deficient number, since it is larger than the sum of its proper divisors (42297861).

214261243 is a wasteful number, since it uses less digits than its factorization.

214261243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14842.

The product of its digits is 2304, while the sum is 25.

The square root of 214261243 is about 14637.6652168302. The cubic root of 214261243 is about 598.3857004382.

The spelling of 214261243 in words is "two hundred fourteen million, two hundred sixty-one thousand, two hundred forty-three".