214851 has 16 divisors (see below), whose sum is σ = 353024. Its totient is φ = 113184.

The previous prime is 214849. The next prime is 214853. The reversal of 214851 is 158412.

214851 = T₁₈ + T₁₉ + ... + T₁₀₈.

214851 is nontrivially palindromic in base 16.

214851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (214849) and next prime (214853).

It is not a de Polignac number, because 214851 - 2¹ = 214849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (214853) 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, 121 + ... + 666.

It is an arithmetic number, because the mean of its divisors is an integer number (22064).

2²¹⁴⁸⁵¹ is an apocalyptic number.

214851 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

214851 is a deficient number, since it is larger than the sum of its proper divisors (138173).

214851 is a wasteful number, since it uses less digits than its factorization.

214851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its digits is 320, while the sum is 21.

The square root of 214851 is about 463.5202260959. The cubic root of 214851 is about 59.8934219084.

The spelling of 214851 in words is "two hundred fourteen thousand, eight hundred fifty-one".