213011453 has 2 divisors, whose sum is σ = 213011454. Its totient is φ = 213011452.

The previous prime is 213011389. The next prime is 213011459. The reversal of 213011453 is 354110312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206267044 + 6744409 = 14362^2 + 2597^2 .

It is a cyclic number.

It is not a de Polignac number, because 213011453 - 2⁶ = 213011389 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 (213011459) 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, 106505726 + 106505727.

It is an arithmetic number, because the mean of its divisors is an integer number (106505727).

Almost surely, 2^213011453 is an apocalyptic number.

It is an amenable number.

213011453 is a deficient number, since it is larger than the sum of its proper divisors (1).

213011453 is an equidigital number, since it uses as much as digits as its factorization.

213011453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 213011453 is about 14594.9118873668. The cubic root of 213011453 is about 597.2199657621.

Adding to 213011453 its reverse (354110312), we get a palindrome (567121765).

The spelling of 213011453 in words is "two hundred thirteen million, eleven thousand, four hundred fifty-three".