214400453 has 2 divisors, whose sum is σ = 214400454. Its totient is φ = 214400452.

The previous prime is 214400449. The next prime is 214400467. The reversal of 214400453 is 354004412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212955649 + 1444804 = 14593^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 214400453 - 2² = 214400449 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214600453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107200226 + 107200227.

It is an arithmetic number, because the mean of its divisors is an integer number (107200227).

Almost surely, 2^214400453 is an apocalyptic number.

It is an amenable number.

214400453 is a deficient number, since it is larger than the sum of its proper divisors (1).

214400453 is an equidigital number, since it uses as much as digits as its factorization.

214400453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 214400453 is about 14642.4196429415. The cubic root of 214400453 is about 598.5152669397.

Adding to 214400453 its reverse (354004412), we get a palindrome (568404865).

The spelling of 214400453 in words is "two hundred fourteen million, four hundred thousand, four hundred fifty-three".