214213297 has 2 divisors, whose sum is σ = 214213298. Its totient is φ = 214213296.

The previous prime is 214213291. The next prime is 214213301. The reversal of 214213297 is 792312412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206238321 + 7974976 = 14361^2 + 2824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214213297 is a prime.

It is a super-2 number, since 2×214213297² = 91774673223220418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214213291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107106648 + 107106649.

It is an arithmetic number, because the mean of its divisors is an integer number (107106649).

Almost surely, 2^214213297 is an apocalyptic number.

It is an amenable number.

214213297 is a deficient number, since it is larger than the sum of its proper divisors (1).

214213297 is an equidigital number, since it uses as much as digits as its factorization.

214213297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 214213297 is about 14636.0273640083. The cubic root of 214213297 is about 598.3410628100.

The spelling of 214213297 in words is "two hundred fourteen million, two hundred thirteen thousand, two hundred ninety-seven".