214004251 has 2 divisors, whose sum is σ = 214004252. Its totient is φ = 214004250.

The previous prime is 214004243. The next prime is 214004257. The reversal of 214004251 is 152400412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214004251 - 2³ = 214004243 is a prime.

It is not a weakly prime, because it can be changed into another prime (214004257) 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 as a sum of consecutive naturals, namely, 107002125 + 107002126.

It is an arithmetic number, because the mean of its divisors is an integer number (107002126).

Almost surely, 2^214004251 is an apocalyptic number.

214004251 is a deficient number, since it is larger than the sum of its proper divisors (1).

214004251 is an equidigital number, since it uses as much as digits as its factorization.

214004251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 214004251 is about 14628.8841337950. The cubic root of 214004251 is about 598.1463635430.

Adding to 214004251 its reverse (152400412), we get a palindrome (366404663).

It can be divided in two parts, 21400 and 4251, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 214004251 in words is "two hundred fourteen million, four thousand, two hundred fifty-one".