213346465 has 8 divisors (see below), whose sum is σ = 260846568. Its totient is φ = 167456640.

The previous prime is 213346453. The next prime is 213346499. The reversal of 213346465 is 564643312.

213346465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 24641296 + 188705169 = 4964^2 + 13737^2 .

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

It is not a de Polignac number, because 213346465 - 2¹⁷ = 213215393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213346465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402276 + ... + 402805.

It is an arithmetic number, because the mean of its divisors is an integer number (32605821).

Almost surely, 2^213346465 is an apocalyptic number.

It is an amenable number.

213346465 is a deficient number, since it is larger than the sum of its proper divisors (47500103).

213346465 is an equidigital number, since it uses as much as digits as its factorization.

213346465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805139.

The product of its digits is 51840, while the sum is 34.

The square root of 213346465 is about 14606.3843917651. The cubic root of 213346465 is about 597.5328926880.

Adding to 213346465 its reverse (564643312), we get a palindrome (777989777).

The spelling of 213346465 in words is "two hundred thirteen million, three hundred forty-six thousand, four hundred sixty-five".