214651 has 2 divisors, whose sum is σ = 214652. Its totient is φ = 214650.

The previous prime is 214639. The next prime is 214657. The reversal of 214651 is 156412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214651 - 2¹⁷ = 83579 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (214657) 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 as a sum of consecutive naturals, namely, 107325 + 107326.

It is an arithmetic number, because the mean of its divisors is an integer number (107326).

2²¹⁴⁶⁵¹ is an apocalyptic number.

214651 is a deficient number, since it is larger than the sum of its proper divisors (1).

214651 is an equidigital number, since it uses as much as digits as its factorization.

214651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 214651 is about 463.3044355497. The cubic root of 214651 is about 59.8748316556.

It can be divided in two parts, 2146 and 51, that added together give a cube (2197 = 13³).

The spelling of 214651 in words is "two hundred fourteen thousand, six hundred fifty-one".