210245525000 has 144 divisors (see below), whose sum is σ = 573180696900. Its totient is φ = 72083760000.

The previous prime is 210245524897. The next prime is 210245525023. The reversal of 210245525000 is 525542012.

It can be written as a sum of positive squares in 6 ways, for example, as 12204504676 + 198041020324 = 110474^2 + 445018^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1139186 + ... + 1310814.

Almost surely, 2^210245525000 is an apocalyptic number.

210245525000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210245525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286590348450).

210245525000 is an abundant number, since it is smaller than the sum of its proper divisors (362935171900).

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

210245525000 is an equidigital number, since it uses as much as digits as its factorization.

210245525000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171674 (or 171643 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 210245525000 in words is "two hundred ten billion, two hundred forty-five million, five hundred twenty-five thousand".