210245000 has 80 divisors (see below), whose sum is σ = 563069760. Its totient is φ = 72072000.

The previous prime is 210244999. The next prime is 210245027. The reversal of 210245000 is 542012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31997 + ... + 38003.

It is an arithmetic number, because the mean of its divisors is an integer number (7038372).

Almost surely, 2^210245000 is an apocalyptic number.

210245000 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 210245000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281534880).

210245000 is an abundant number, since it is smaller than the sum of its proper divisors (352824760).

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

210245000 is an equidigital number, since it uses as much as digits as its factorization.

210245000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6040 (or 6021 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 210245000 is about 14499.8275851818. The cubic root of 210245000 is about 594.6232579623.

Adding to 210245000 its reverse (542012), we get a palindrome (210787012).

The spelling of 210245000 in words is "two hundred ten million, two hundred forty-five thousand".