210535213 has 12 divisors (see below), whose sum is σ = 245236572. Its totient is φ = 180216960.

The previous prime is 210535211. The next prime is 210535243. The reversal of 210535213 is 312535012.

It can be written as a sum of positive squares in 2 ways, for example, as 47155689 + 163379524 = 6867^2 + 12782^2 .

It is not a de Polignac number, because 210535213 - 2¹ = 210535211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210535211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40731 + ... + 45607.

It is an arithmetic number, because the mean of its divisors is an integer number (20436381).

Almost surely, 2^210535213 is an apocalyptic number.

It is an amenable number.

210535213 is a deficient number, since it is larger than the sum of its proper divisors (34701359).

210535213 is an equidigital number, since it uses as much as digits as its factorization.

210535213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772 (or 5765 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 210535213 is about 14509.8315979201. The cubic root of 210535213 is about 594.8967294818.

The spelling of 210535213 in words is "two hundred ten million, five hundred thirty-five thousand, two hundred thirteen".