455270213 has 2 divisors, whose sum is σ = 455270214. Its totient is φ = 455270212.

The previous prime is 455270201. The next prime is 455270227. The reversal of 455270213 is 312072554.

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., 229128769 + 226141444 = 15137^2 + 15038^2 .

It is a cyclic number.

It is not a de Polignac number, because 455270213 - 2¹⁰ = 455269189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455270243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227635106 + 227635107.

It is an arithmetic number, because the mean of its divisors is an integer number (227635107).

Almost surely, 2^455270213 is an apocalyptic number.

It is an amenable number.

455270213 is a deficient number, since it is larger than the sum of its proper divisors (1).

455270213 is an equidigital number, since it uses as much as digits as its factorization.

455270213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 455270213 is about 21337.0619580110. The cubic root of 455270213 is about 769.2893950090.

The spelling of 455270213 in words is "four hundred fifty-five million, two hundred seventy thousand, two hundred thirteen".