214273453 has 2 divisors, whose sum is σ = 214273454. Its totient is φ = 214273452.

The previous prime is 214273447. The next prime is 214273481. The reversal of 214273453 is 354372412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214241769 + 31684 = 14637^2 + 178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214273453 is a prime.

It is a super-2 number, since 2×214273453² = 91826225321086418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214273153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107136726 + 107136727.

It is an arithmetic number, because the mean of its divisors is an integer number (107136727).

Almost surely, 2^214273453 is an apocalyptic number.

It is an amenable number.

214273453 is a deficient number, since it is larger than the sum of its proper divisors (1).

214273453 is an equidigital number, since it uses as much as digits as its factorization.

214273453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 214273453 is about 14638.0822856001. The cubic root of 214273453 is about 598.3970668594.

The spelling of 214273453 in words is "two hundred fourteen million, two hundred seventy-three thousand, four hundred fifty-three".