213453064 has 64 divisors (see below), whose sum is σ = 459095040. Its totient is φ = 92093760.

The previous prime is 213453047. The next prime is 213453113. The reversal of 213453064 is 460354312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329589 + ... + 330235.

It is an arithmetic number, because the mean of its divisors is an integer number (7173360).

Almost surely, 2^213453064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213453064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229547520).

213453064 is an abundant number, since it is smaller than the sum of its proper divisors (245641976).

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

213453064 is a wasteful number, since it uses less digits than its factorization.

213453064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 213453064 is about 14610.0329910647. The cubic root of 213453064 is about 597.6323956305.

The spelling of 213453064 in words is "two hundred thirteen million, four hundred fifty-three thousand, sixty-four".