214540453 has 2 divisors, whose sum is σ = 214540454. Its totient is φ = 214540452.

The previous prime is 214540439. The next prime is 214540489. The reversal of 214540453 is 354045412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153809604 + 60730849 = 12402^2 + 7793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214540453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214540433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107270226 + 107270227.

It is an arithmetic number, because the mean of its divisors is an integer number (107270227).

Almost surely, 2^214540453 is an apocalyptic number.

It is an amenable number.

214540453 is a deficient number, since it is larger than the sum of its proper divisors (1).

214540453 is an equidigital number, since it uses as much as digits as its factorization.

214540453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 214540453 is about 14647.1994934185. The cubic root of 214540453 is about 598.6455121647.

Adding to 214540453 its reverse (354045412), we get a palindrome (568585865).

The spelling of 214540453 in words is "two hundred fourteen million, five hundred forty thousand, four hundred fifty-three".