213452303 has 4 divisors (see below), whose sum is σ = 213549960. Its totient is φ = 213354648.

The previous prime is 213452299. The next prime is 213452321. The reversal of 213452303 is 303254312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213452303 - 2² = 213452299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213452353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45473 + ... + 49946.

It is an arithmetic number, because the mean of its divisors is an integer number (53387490).

Almost surely, 2^213452303 is an apocalyptic number.

213452303 is a deficient number, since it is larger than the sum of its proper divisors (97657).

213452303 is an equidigital number, since it uses as much as digits as its factorization.

213452303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97656.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 213452303 is about 14610.0069472947. The cubic root of 213452303 is about 597.6316854060.

The spelling of 213452303 in words is "two hundred thirteen million, four hundred fifty-two thousand, three hundred three".