213065355 has 16 divisors (see below), whose sum is σ = 344093184. Its totient is φ = 112572000.

The previous prime is 213065309. The next prime is 213065357. The reversal of 213065355 is 553560312.

It is not a de Polignac number, because 213065355 - 2⁷ = 213065227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213065357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64771 + ... + 67980.

It is an arithmetic number, because the mean of its divisors is an integer number (21505824).

Almost surely, 2^213065355 is an apocalyptic number.

213065355 is a deficient number, since it is larger than the sum of its proper divisors (131027829).

213065355 is a wasteful number, since it uses less digits than its factorization.

213065355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132866.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 213065355 is about 14596.7583730087. The cubic root of 213065355 is about 597.2703365054.

The spelling of 213065355 in words is "two hundred thirteen million, sixty-five thousand, three hundred fifty-five".