213466441 has 4 divisors (see below), whose sum is σ = 213528772. Its totient is φ = 213404112.

The previous prime is 213466439. The next prime is 213466447. The reversal of 213466441 is 144664312.

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 41332041 + 172134400 = 6429^2 + 13120^2 .

It is a cyclic number.

It is not a de Polignac number, because 213466441 - 2¹ = 213466439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213466447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25710 + ... + 32983.

It is an arithmetic number, because the mean of its divisors is an integer number (53382193).

Almost surely, 2^213466441 is an apocalyptic number.

It is an amenable number.

213466441 is a deficient number, since it is larger than the sum of its proper divisors (62331).

213466441 is an equidigital number, since it uses as much as digits as its factorization.

213466441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62330.

The product of its digits is 13824, while the sum is 31.

The square root of 213466441 is about 14610.4907857334. The cubic root of 213466441 is about 597.6448798138.

The spelling of 213466441 in words is "two hundred thirteen million, four hundred sixty-six thousand, four hundred forty-one".