100252489 has 2 divisors, whose sum is σ = 100252490. Its totient is φ = 100252488.

The previous prime is 100252483. The next prime is 100252511. The reversal of 100252489 is 984252001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67568400 + 32684089 = 8220^2 + 5717^2 .

It is a cyclic number.

It is not a de Polignac number, because 100252489 - 2¹⁹ = 99728201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100252489.

It is not a weakly prime, because it can be changed into another prime (100252483) 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, 50126244 + 50126245.

It is an arithmetic number, because the mean of its divisors is an integer number (50126245).

Almost surely, 2^100252489 is an apocalyptic number.

It is an amenable number.

100252489 is a deficient number, since it is larger than the sum of its proper divisors (1).

100252489 is an equidigital number, since it uses as much as digits as its factorization.

100252489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 100252489 is about 10012.6164912075. The cubic root of 100252489 is about 464.5492050799.

The spelling of 100252489 in words is "one hundred million, two hundred fifty-two thousand, four hundred eighty-nine".