214240057 has 2 divisors, whose sum is σ = 214240058. Its totient is φ = 214240056.

The previous prime is 214240051. The next prime is 214240093. The reversal of 214240057 is 750042412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157025961 + 57214096 = 12531^2 + 7564^2 .

It is a cyclic number.

It is not a de Polignac number, because 214240057 - 2⁷ = 214239929 is a prime.

It is not a weakly prime, because it can be changed into another prime (214240051) 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, 107120028 + 107120029.

It is an arithmetic number, because the mean of its divisors is an integer number (107120029).

Almost surely, 2^214240057 is an apocalyptic number.

It is an amenable number.

214240057 is a deficient number, since it is larger than the sum of its proper divisors (1).

214240057 is an equidigital number, since it uses as much as digits as its factorization.

214240057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 214240057 is about 14636.9415179538. The cubic root of 214240057 is about 598.3659771367.

Adding to 214240057 its reverse (750042412), we get a palindrome (964282469).

The spelling of 214240057 in words is "two hundred fourteen million, two hundred forty thousand, fifty-seven".