213000473 has 8 divisors (see below), whose sum is σ = 251281920. Its totient is φ = 176682240.

The previous prime is 213000467. The next prime is 213000503. The reversal of 213000473 is 374000312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213000473 - 2⁶ = 213000409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213000433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490568 + ... + 491001.

It is an arithmetic number, because the mean of its divisors is an integer number (31410240).

Almost surely, 2^213000473 is an apocalyptic number.

It is an amenable number.

213000473 is a deficient number, since it is larger than the sum of its proper divisors (38281447).

213000473 is an equidigital number, since it uses as much as digits as its factorization.

213000473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981607.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 213000473 is about 14594.5357240304. The cubic root of 213000473 is about 597.2097040480.

Adding to 213000473 its reverse (374000312), we get a palindrome (587000785).

The spelling of 213000473 in words is "two hundred thirteen million, four hundred seventy-three", and thus it is an aban number.