214951 has 4 divisors (see below), whose sum is σ = 234504. Its totient is φ = 195400.
The previous prime is 214943. The next prime is 214967. The reversal of 214951 is 159412.
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 214951 - 23 = 214943 is a prime.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9760 + ... + 9781.
It is an arithmetic number, because the mean of its divisors is an integer number (58626).
2214951 is an apocalyptic number.
214951 is a deficient number, since it is larger than the sum of its proper divisors (19553).
214951 is a wasteful number, since it uses less digits than its factorization.
214951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19552.
The product of its digits is 360, while the sum is 22.
The square root of 214951 is about 463.6280837050. The cubic root of 214951 is about 59.9027127087.
The spelling of 214951 in words is "two hundred fourteen thousand, nine hundred fifty-one".
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