213064458 has 32 divisors (see below), whose sum is σ = 435456000. Its totient is φ = 69478896.

The previous prime is 213064429. The next prime is 213064459. The reversal of 213064458 is 854460312.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213064459) 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 15 ways as a sum of consecutive naturals, for example, 77593 + ... + 80291.

It is an arithmetic number, because the mean of its divisors is an integer number (13608000).

Almost surely, 2^213064458 is an apocalyptic number.

213064458 is an abundant number, since it is smaller than the sum of its proper divisors (222391542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213064458 is a wasteful number, since it uses less digits than its factorization.

213064458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 213064458 is about 14596.7276469762. The cubic root of 213064458 is about 597.2694983397.

The spelling of 213064458 in words is "two hundred thirteen million, sixty-four thousand, four hundred fifty-eight".