213057174 has 64 divisors (see below), whose sum is σ = 488759040. Its totient is φ = 61326720.

The previous prime is 213057121. The next prime is 213057179. The reversal of 213057174 is 471750312.

It is a super-3 number, since 3×213057174³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213057179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103992 + ... + 106020.

It is an arithmetic number, because the mean of its divisors is an integer number (7636860).

Almost surely, 2^213057174 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213057174, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244379520).

213057174 is an abundant number, since it is smaller than the sum of its proper divisors (275701866).

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

213057174 is a wasteful number, since it uses less digits than its factorization.

213057174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 213057174 is about 14596.4781368658. The cubic root of 213057174 is about 597.2626920104.

The spelling of 213057174 in words is "two hundred thirteen million, fifty-seven thousand, one hundred seventy-four".