213341465 has 4 divisors (see below), whose sum is σ = 256009764. Its totient is φ = 170673168.

The previous prime is 213341459. The next prime is 213341497. The reversal of 213341465 is 564143312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 163737616 + 49603849 = 12796^2 + 7043^2 .

It is a cyclic number.

It is not a de Polignac number, because 213341465 - 2¹⁴ = 213325081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21334142 + ... + 21334151.

It is an arithmetic number, because the mean of its divisors is an integer number (64002441).

Almost surely, 2^213341465 is an apocalyptic number.

It is an amenable number.

213341465 is a deficient number, since it is larger than the sum of its proper divisors (42668299).

213341465 is an equidigital number, since it uses as much as digits as its factorization.

213341465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42668298.

The product of its digits is 8640, while the sum is 29.

The square root of 213341465 is about 14606.2132327308. The cubic root of 213341465 is about 597.5282247132.

Adding to 213341465 its reverse (564143312), we get a palindrome (777484777).

The spelling of 213341465 in words is "two hundred thirteen million, three hundred forty-one thousand, four hundred sixty-five".