214120397 has 2 divisors, whose sum is σ = 214120398. Its totient is φ = 214120396.

The previous prime is 214120393. The next prime is 214120399. The reversal of 214120397 is 793021412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208196041 + 5924356 = 14429^2 + 2434^2 .

It is a cyclic number.

It is not a de Polignac number, because 214120397 - 2² = 214120393 is a prime.

It is a super-2 number, since 2×214120397² = 91695088822875218, which contains 22 as substring.

Together with 214120399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214120393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107060198 + 107060199.

It is an arithmetic number, because the mean of its divisors is an integer number (107060199).

Almost surely, 2^214120397 is an apocalyptic number.

It is an amenable number.

214120397 is a deficient number, since it is larger than the sum of its proper divisors (1).

214120397 is an equidigital number, since it uses as much as digits as its factorization.

214120397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 214120397 is about 14632.8533444438. The cubic root of 214120397 is about 598.2545541402.

The spelling of 214120397 in words is "two hundred fourteen million, one hundred twenty thousand, three hundred ninety-seven".