100244251 has 2 divisors, whose sum is σ = 100244252. Its totient is φ = 100244250.

The previous prime is 100244233. The next prime is 100244267. The reversal of 100244251 is 152442001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100244251 - 2¹¹ = 100242203 is a prime.

It is not a weakly prime, because it can be changed into another prime (100245251) by changing a digit.

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 as a sum of consecutive naturals, namely, 50122125 + 50122126.

It is an arithmetic number, because the mean of its divisors is an integer number (50122126).

Almost surely, 2^100244251 is an apocalyptic number.

100244251 is a deficient number, since it is larger than the sum of its proper divisors (1).

100244251 is an equidigital number, since it uses as much as digits as its factorization.

100244251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 100244251 is about 10012.2051017745. The cubic root of 100244251 is about 464.5364803379.

Adding to 100244251 its reverse (152442001), we get a palindrome (252686252).

The spelling of 100244251 in words is "one hundred million, two hundred forty-four thousand, two hundred fifty-one".