214127657 has 2 divisors, whose sum is σ = 214127658. Its totient is φ = 214127656.

The previous prime is 214127611. The next prime is 214127689. The reversal of 214127657 is 756721412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173817856 + 40309801 = 13184^2 + 6349^2 .

It is a cyclic number.

It is not a de Polignac number, because 214127657 - 2²⁴ = 197350441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214120657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107063828 + 107063829.

It is an arithmetic number, because the mean of its divisors is an integer number (107063829).

Almost surely, 2^214127657 is an apocalyptic number.

It is an amenable number.

214127657 is a deficient number, since it is larger than the sum of its proper divisors (1).

214127657 is an equidigital number, since it uses as much as digits as its factorization.

214127657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 35.

The square root of 214127657 is about 14633.1014142594. The cubic root of 214127657 is about 598.2613155682.

The spelling of 214127657 in words is "two hundred fourteen million, one hundred twenty-seven thousand, six hundred fifty-seven".