100213250 has 16 divisors (see below), whose sum is σ = 187599672. Its totient is φ = 40085200.

The previous prime is 100213247. The next prime is 100213261. The reversal of 100213250 is 52312001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45468049 + 54745201 = 6743^2 + 7399^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200177 + ... + 200676.

Almost surely, 2^100213250 is an apocalyptic number.

100213250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100213250 is a deficient number, since it is larger than the sum of its proper divisors (87386422).

100213250 is an equidigital number, since it uses as much as digits as its factorization.

100213250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400870 (or 400860 counting only the distinct ones).

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

The square root of 100213250 is about 10010.6568216077. The cubic root of 100213250 is about 464.4885887129.

Adding to 100213250 its reverse (52312001), we get a palindrome (152525251).

The spelling of 100213250 in words is "one hundred million, two hundred thirteen thousand, two hundred fifty".