213064455 has 16 divisors (see below), whose sum is σ = 343394784. Its totient is φ = 112803840.

The previous prime is 213064429. The next prime is 213064459. The reversal of 213064455 is 554460312.

213064455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213064455 - 2⁶ = 213064391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213064459) 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, 49786 + ... + 53895.

It is an arithmetic number, because the mean of its divisors is an integer number (21462174).

Almost surely, 2^213064455 is an apocalyptic number.

213064455 is a deficient number, since it is larger than the sum of its proper divisors (130330329).

213064455 is a wasteful number, since it uses less digits than its factorization.

213064455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103826.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 213064455 is about 14596.7275442135. The cubic root of 213064455 is about 597.2694955365.

The spelling of 213064455 in words is "two hundred thirteen million, sixty-four thousand, four hundred fifty-five".