214142251 has 16 divisors (see below), whose sum is σ = 231409440. Its totient is φ = 197429760.

The previous prime is 214142249. The next prime is 214142267. The reversal of 214142251 is 152241412.

214142251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 214142251 - 2¹ = 214142249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214142281) 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, 260421 + ... + 261241.

It is an arithmetic number, because the mean of its divisors is an integer number (14463090).

Almost surely, 2^214142251 is an apocalyptic number.

214142251 is a deficient number, since it is larger than the sum of its proper divisors (17267189).

214142251 is a wasteful number, since it uses less digits than its factorization.

214142251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134.

The product of its digits is 640, while the sum is 22.

The square root of 214142251 is about 14633.6000697026. The cubic root of 214142251 is about 598.2749068801.

Adding to 214142251 its reverse (152241412), we get a palindrome (366383663).

The spelling of 214142251 in words is "two hundred fourteen million, one hundred forty-two thousand, two hundred fifty-one".