213006650 has 12 divisors (see below), whose sum is σ = 396192462. Its totient is φ = 85202640.

The previous prime is 213006643. The next prime is 213006659. The reversal of 213006650 is 56600312.

213006650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 187169761 + 25836889 = 13681^2 + 5083^2 .

It is not an unprimeable number, because it can be changed into a prime (213006659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2130017 + ... + 2130116.

Almost surely, 2^213006650 is an apocalyptic number.

213006650 is a deficient number, since it is larger than the sum of its proper divisors (183185812).

213006650 is a wasteful number, since it uses less digits than its factorization.

213006650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260145 (or 4260140 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 213006650 is about 14594.7473427943. The cubic root of 213006650 is about 597.2154770065.

Adding to 213006650 its reverse (56600312), we get a palindrome (269606962).

The spelling of 213006650 in words is "two hundred thirteen million, six thousand, six hundred fifty".