100213237 has 2 divisors, whose sum is σ = 100213238. Its totient is φ = 100213236.

The previous prime is 100213213. The next prime is 100213247. The reversal of 100213237 is 732312001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89283601 + 10929636 = 9449^2 + 3306^2 .

It is a cyclic number.

It is not a de Polignac number, because 100213237 - 2¹⁵ = 100180469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100213207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106618 + 50106619.

It is an arithmetic number, because the mean of its divisors is an integer number (50106619).

Almost surely, 2^100213237 is an apocalyptic number.

It is an amenable number.

100213237 is a deficient number, since it is larger than the sum of its proper divisors (1).

100213237 is an equidigital number, since it uses as much as digits as its factorization.

100213237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 100213237 is about 10010.6561722996. The cubic root of 100213237 is about 464.4885686279.

Adding to 100213237 its reverse (732312001), we get a palindrome (832525238).

The spelling of 100213237 in words is "one hundred million, two hundred thirteen thousand, two hundred thirty-seven".