210315252 has 96 divisors (see below), whose sum is σ = 588179200. Its totient is φ = 58423680.

The previous prime is 210315247. The next prime is 210315269. The reversal of 210315252 is 252513012.

210315252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151602 + ... + 152982.

Almost surely, 2^210315252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210315252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294089600).

210315252 is an abundant number, since it is smaller than the sum of its proper divisors (377863948).

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

210315252 is a wasteful number, since it uses less digits than its factorization.

210315252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 210315252 is about 14502.2498944129. The cubic root of 210315252 is about 594.6894804189.

Adding to 210315252 its reverse (252513012), we get a palindrome (462828264).

The spelling of 210315252 in words is "two hundred ten million, three hundred fifteen thousand, two hundred fifty-two".