214257707 has 2 divisors, whose sum is σ = 214257708. Its totient is φ = 214257706.

The previous prime is 214257697. The next prime is 214257721. The reversal of 214257707 is 707752412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214257707 - 2¹⁴ = 214241323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214257727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107128853 + 107128854.

It is an arithmetic number, because the mean of its divisors is an integer number (107128854).

Almost surely, 2^214257707 is an apocalyptic number.

214257707 is a deficient number, since it is larger than the sum of its proper divisors (1).

214257707 is an equidigital number, since it uses as much as digits as its factorization.

214257707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 214257707 is about 14637.5444320419. The cubic root of 214257707 is about 598.3824086569.

The spelling of 214257707 in words is "two hundred fourteen million, two hundred fifty-seven thousand, seven hundred seven".