213356752 has 20 divisors (see below), whose sum is σ = 472433056. Its totient is φ = 91438560.

The previous prime is 213356707. The next prime is 213356753. The reversal of 213356752 is 257653312.

It is a super-2 number, since 2×213356752² = 91042207247979008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213356753) 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 3 ways as a sum of consecutive naturals, for example, 952374 + ... + 952597.

Almost surely, 2^213356752 is an apocalyptic number.

It is an amenable number.

213356752 is an abundant number, since it is smaller than the sum of its proper divisors (259076304).

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

213356752 is a wasteful number, since it uses less digits than its factorization.

213356752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904986 (or 1904980 counting only the distinct ones).

The product of its digits is 37800, while the sum is 34.

The square root of 213356752 is about 14606.7365280544. The cubic root of 213356752 is about 597.5424963501.

It can be divided in two parts, 2133 and 56752, that added together give a palindrome (58885).

The spelling of 213356752 in words is "two hundred thirteen million, three hundred fifty-six thousand, seven hundred fifty-two".