213206152 has 16 divisors (see below), whose sum is σ = 403721100. Its totient is φ = 105547200.

The previous prime is 213206143. The next prime is 213206153. The reversal of 213206152 is 251602312.

It can be written as a sum of positive squares in 2 ways, for example, as 209496676 + 3709476 = 14474^2 + 1926^2 .

It is not an unprimeable number, because it can be changed into a prime (213206153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131127 + ... + 132742.

Almost surely, 2^213206152 is an apocalyptic number.

It is an amenable number.

213206152 is a deficient number, since it is larger than the sum of its proper divisors (190514948).

213206152 is a wasteful number, since it uses less digits than its factorization.

213206152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263976 (or 263972 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 213206152 is about 14601.5804624020. The cubic root of 213206152 is about 597.4018694723.

Adding to 213206152 its reverse (251602312), we get a palindrome (464808464).

It can be divided in two parts, 21320 and 6152, that added together give a palindrome (27472).

The spelling of 213206152 in words is "two hundred thirteen million, two hundred six thousand, one hundred fifty-two".