210013250 has 16 divisors (see below), whose sum is σ = 393145272. Its totient is φ = 84005200.

The previous prime is 210013231. The next prime is 210013259. The reversal of 210013250 is 52310012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 81848209 + 128165041 = 9047^2 + 11321^2 .

It is not an unprimeable number, because it can be changed into a prime (210013259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419777 + ... + 420276.

Almost surely, 2^210013250 is an apocalyptic number.

210013250 is a deficient number, since it is larger than the sum of its proper divisors (183132022).

210013250 is an equidigital number, since it uses as much as digits as its factorization.

210013250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840070 (or 840060 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 210013250 is about 14491.8339074114. The cubic root of 210013250 is about 594.4046961191.

Adding to 210013250 its reverse (52310012), we get a palindrome (262323262).

The spelling of 210013250 in words is "two hundred ten million, thirteen thousand, two hundred fifty".