214205377 has 2 divisors, whose sum is σ = 214205378. Its totient is φ = 214205376.

The previous prime is 214205363. The next prime is 214205393. The reversal of 214205377 is 773502412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189365121 + 24840256 = 13761^2 + 4984^2 .

It is a cyclic number.

It is not a de Polignac number, because 214205377 - 2⁷ = 214205249 is a prime.

It is not a weakly prime, because it can be changed into another prime (214205357) 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, 107102688 + 107102689.

It is an arithmetic number, because the mean of its divisors is an integer number (107102689).

Almost surely, 2^214205377 is an apocalyptic number.

It is an amenable number.

214205377 is a deficient number, since it is larger than the sum of its proper divisors (1).

214205377 is an equidigital number, since it uses as much as digits as its factorization.

214205377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 214205377 is about 14635.7567962849. The cubic root of 214205377 is about 598.3336886652. Note that the first 3 decimals are identical.

Adding to 214205377 its reverse (773502412), we get a palindrome (987707789).

The spelling of 214205377 in words is "two hundred fourteen million, two hundred five thousand, three hundred seventy-seven".