213351441 has 8 divisors (see below), whose sum is σ = 284593344. Its totient is φ = 142171920.

The previous prime is 213351409. The next prime is 213351443. The reversal of 213351441 is 144153312.

It is a happy number.

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

It is not a de Polignac number, because 213351441 - 2⁵ = 213351409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213351443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6925 + ... + 21786.

It is an arithmetic number, because the mean of its divisors is an integer number (35574168).

Almost surely, 2^213351441 is an apocalyptic number.

It is an amenable number.

213351441 is a deficient number, since it is larger than the sum of its proper divisors (71241903).

213351441 is a wasteful number, since it uses less digits than its factorization.

213351441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31191.

The product of its digits is 1440, while the sum is 24.

The square root of 213351441 is about 14606.5547272449. The cubic root of 213351441 is about 597.5375381842.

The spelling of 213351441 in words is "two hundred thirteen million, three hundred fifty-one thousand, four hundred forty-one".