214531001 has 2 divisors, whose sum is σ = 214531002. Its totient is φ = 214531000.

The previous prime is 214530991. The next prime is 214531003. The reversal of 214531001 is 100135412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186186025 + 28344976 = 13645^2 + 5324^2 .

It is a cyclic number.

It is not a de Polignac number, because 214531001 - 2²² = 210336697 is a prime.

Together with 214531003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214531003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107265500 + 107265501.

It is an arithmetic number, because the mean of its divisors is an integer number (107265501).

Almost surely, 2^214531001 is an apocalyptic number.

It is an amenable number.

214531001 is a deficient number, since it is larger than the sum of its proper divisors (1).

214531001 is an equidigital number, since it uses as much as digits as its factorization.

214531001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 214531001 is about 14646.8768343289. The cubic root of 214531001 is about 598.6367205353.

Adding to 214531001 its reverse (100135412), we get a palindrome (314666413).

The spelling of 214531001 in words is "two hundred fourteen million, five hundred thirty-one thousand, one".