213553361 has 8 divisors (see below), whose sum is σ = 252477120. Its totient is φ = 176733648.

The previous prime is 213553313. The next prime is 213553387. The reversal of 213553361 is 163355312.

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

It is not a de Polignac number, because 213553361 - 2¹⁰ = 213552337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (213553261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525791 + ... + 526196.

It is an arithmetic number, because the mean of its divisors is an integer number (31559640).

Almost surely, 2^213553361 is an apocalyptic number.

It is an amenable number.

213553361 is a deficient number, since it is larger than the sum of its proper divisors (38923759).

213553361 is a wasteful number, since it uses less digits than its factorization.

213553361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052023.

The product of its digits is 8100, while the sum is 29.

The square root of 213553361 is about 14613.4650579525. The cubic root of 213553361 is about 597.7259858394.

The spelling of 213553361 in words is "two hundred thirteen million, five hundred fifty-three thousand, three hundred sixty-one".