214665297 has 48 divisors (see below), whose sum is σ = 369110016. Its totient is φ = 107805600.

The previous prime is 214665289. The next prime is 214665323. The reversal of 214665297 is 792566412.

It is not a de Polignac number, because 214665297 - 2³ = 214665289 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (214665257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221508 + ... + 222474.

It is an arithmetic number, because the mean of its divisors is an integer number (7689792).

Almost surely, 2^214665297 is an apocalyptic number.

It is an amenable number.

214665297 is a deficient number, since it is larger than the sum of its proper divisors (154444719).

214665297 is a wasteful number, since it uses less digits than its factorization.

214665297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1019 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 214665297 is about 14651.4605756559. The cubic root of 214665297 is about 598.7616096296.

The spelling of 214665297 in words is "two hundred fourteen million, six hundred sixty-five thousand, two hundred ninety-seven".